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Available in 13 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-13" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">13 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Bertha,_merc%27h_Konan_III" title="Bertha, merc'h Konan III – Breton" lang="br" hreflang="br" data-title="Bertha, merc'h Konan III" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Berta_de_Bretanya" title="Berta de Bretanya – Catalan" lang="ca" hreflang="ca" data-title="Berta de Bretanya" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CF%80%CE%AD%CF%81%CF%84%CE%B1_%CF%84%CE%B7%CF%82_%CE%92%CF%81%CE%B5%CF%84%CE%AC%CE%BD%CE%B7%CF%82" title="Μπέρτα της Βρετάνης – Greek" lang="el" hreflang="el" data-title="Μπέρτα της Βρετάνης" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Berta_de_Breta%C3%B1a" title="Berta de Bretaña – Spanish" lang="es" hreflang="es" data-title="Berta de Bretaña" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Berta_(Bretonio)" title="Berta (Bretonio) – Esperanto" lang="eo" hreflang="eo" data-title="Berta (Bretonio)" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Berthe_de_Bretagne" title="Berthe de Bretagne – French" lang="fr" hreflang="fr" data-title="Berthe de Bretagne" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Berta_di_Bretagna" title="Berta di Bretagna – Italian" lang="it" hreflang="it" data-title="Berta di Bretagna" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Bertha_van_Bretagne" title="Bertha van Bretagne – Dutch" lang="nl" hreflang="nl" data-title="Bertha van Bretagne" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%99%E3%83%AB%E3%83%88_(%E3%83%96%E3%83%AB%E3%82%BF%E3%83%BC%E3%83%8B%E3%83%A5%E5%A5%B3%E5%85%AC)" title="ベルト (ブルターニュ女公) – Japanese" lang="ja" hreflang="ja" data-title="ベルト (ブルターニュ女公)" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%91%D0%B5%D1%80%D1%82%D0%B0_(%D0%B3%D0%B5%D1%80%D1%86%D0%BE%D0%B3%D0%B8%D0%BD%D1%8F_%D0%91%D1%80%D0%B5%D1%82%D0%B0%D0%BD%D0%B8)" title="Берта (герцогиня Бретани) – Russian" lang="ru" hreflang="ru" data-title="Берта (герцогиня Бретани)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Bertha_av_Bretagne" title="Bertha av Bretagne – Swedish" lang="sv" hreflang="sv" data-title="Bertha av Bretagne" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D0%B5%D1%80%D1%82%D0%B0_I_(%D0%B3%D0%B5%D1%80%D1%86%D0%BE%D0%B3%D0%B8%D0%BD%D1%8F_%D0%91%D1%80%D0%B5%D1%82%D0%B0%D0%BD%D1%96)" title="Берта I (герцогиня Бретані) – Ukrainian" lang="uk" hreflang="uk" data-title="Берта I (герцогиня Бретані)" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B8%83%E5%88%97%E5%A1%94%E5%B0%BC%E7%9A%84%E8%B2%9D%E5%85%92%E5%A1%94" title="布列塔尼的貝兒塔 – Chinese" lang="zh" hreflang="zh" data-title="布列塔尼的貝兒塔" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2899311#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">French politician</div> <p><b>Bertha of Cornouaille</b> (<abbr title="floruit ('flourished' – known to have been active at a particular time or during a particular period)">fl.</abbr> 1125–56), also known as <b>Bertha of Brittany</b> (<a href="/wiki/Breton_language" title="Breton language">Breton</a>: <i lang="br">Berthe Breizh</i>), was the Duchess of <a href="/wiki/Brittany" title="Brittany">Brittany</a> between 1148 until her death and Dowager Countess of Richmond. Bertha was the elder daughter of <a href="/wiki/Conan_III,_Duke_of_Brittany" title="Conan III, Duke of Brittany">Conan III of Brittany</a> by <a href="/wiki/Matilda_FitzRoy,_Duchess_of_Brittany" title="Matilda FitzRoy, Duchess of Brittany">Maude</a>, the <a href="/wiki/Illegitimate" class="mw-redirect" title="Illegitimate">illegitimate</a> daughter of King <a href="/wiki/Henry_I_of_England" title="Henry I of England">Henry I of England</a>.<sup id="cite_ref-FOOTNOTEBryan2016173_1-0" class="reference"><a href="#cite_note-FOOTNOTEBryan2016173-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> She was the last member of the Breton house of <a href="/wiki/Cornouaille" title="Cornouaille">Cornouaille</a> to reign over Brittany. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Life">Life</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bertha,_Duchess_of_Brittany&action=edit&section=1" title="Edit section: Life"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Bertha was the daughter of <a href="/wiki/Conan_III,_Duke_of_Brittany" title="Conan III, Duke of Brittany">Duke Conan III of Brittany</a>. She married the son of <a href="/wiki/Stephen,_Count_of_Tr%C3%A9guier" title="Stephen, Count of Tréguier">Stephen of Treguier</a>, <a href="/wiki/Alan,_1st_Earl_of_Richmond" title="Alan, 1st Earl of Richmond">Alan the Black</a>,<sup id="cite_ref-FOOTNOTEWarren197775_2-0" class="reference"><a href="#cite_note-FOOTNOTEWarren197775-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and she lived in England with Alan until his death in 1146. Alan would eventually become Earl of Richmond. On his deathbed, Conan III renounced Bertha's brother <a href="/wiki/Hoel_III,_Count_of_Nantes" title="Hoel III, Count of Nantes">Hoel</a> as heir<sup id="cite_ref-FOOTNOTEWarren197775_2-1" class="reference"><a href="#cite_note-FOOTNOTEWarren197775-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and designated Bertha as his heiress, Duchess of Brittany.<sup id="cite_ref-FOOTNOTEEverard2004149_3-0" class="reference"><a href="#cite_note-FOOTNOTEEverard2004149-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Family">Family</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bertha,_Duchess_of_Brittany&action=edit&section=2" title="Edit section: Family"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In her first marriage, by 1138, Bertha was married to <a href="/wiki/Alan,_1st_Earl_of_Richmond" title="Alan, 1st Earl of Richmond">Alan the Black</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </p><p>Bertha and Alan had three children: </p> <ul><li><a href="/wiki/Conan_IV,_Duke_of_Brittany" title="Conan IV, Duke of Brittany">Conan IV</a>, b. 1138, their son and heir, as <a href="/wiki/Duchy_of_Brittany" title="Duchy of Brittany">Duke of Brittany</a> and <a href="/wiki/Earl_of_Richmond" title="Earl of Richmond">Earl of Richmond</a><sup id="cite_ref-FOOTNOTEEverard2004149_3-1" class="reference"><a href="#cite_note-FOOTNOTEEverard2004149-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Constance_of_Penthi%C3%A8vre" title="Constance of Penthièvre">Constance</a>, who married Alan III, Viscount of <a href="/wiki/House_of_Rohan" title="House of Rohan">Rohan</a><sup id="cite_ref-FOOTNOTEEverard200446_6-0" class="reference"><a href="#cite_note-FOOTNOTEEverard200446-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>Enoguen, abbess of St. Sulpice</li></ul> <p>Bertha married her second husband, <a href="/wiki/Odo_II,_Viscount_of_Porho%C3%ABt" title="Odo II, Viscount of Porhoët">Odo, Viscount of Porhoet</a>, in about 1148.<sup id="cite_ref-FOOTNOTEWarren197775_2-2" class="reference"><a href="#cite_note-FOOTNOTEWarren197775-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-FOOTNOTEEverard200432_7-0" class="reference"><a href="#cite_note-FOOTNOTEEverard200432-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Bertha and Odo had three children: </p> <ul><li>Geoffroy</li> <li>Adelaide (died in 1220), Abbess of <a href="/wiki/Fontevraud_Abbey" title="Fontevraud Abbey">Fontevrault</a>, mistress of <a href="/wiki/Henry_II,_King_of_England" class="mw-redirect" title="Henry II, King of England">Henry II, King of England</a><sup id="cite_ref-FOOTNOTEVincent2007331_8-0" class="reference"><a href="#cite_note-FOOTNOTEVincent2007331-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-FOOTNOTEEverard200446_6-1" class="reference"><a href="#cite_note-FOOTNOTEEverard200446-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>Alix<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Succession">Succession</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bertha,_Duchess_of_Brittany&action=edit&section=3" title="Edit section: Succession"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Bertha died between 1158 and 1164, and with her death the ducal throne passed to her son Conan.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bertha,_Duchess_of_Brittany&action=edit&section=4" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">Alan the Black was <a href="/wiki/Count_of_Penthi%C3%A8vre" class="mw-redirect" title="Count of Penthièvre">Count of Penthièvre</a>. He was created 1st <a href="/wiki/Earl_of_Richmond" title="Earl of Richmond">Earl of Richmond</a> by <a href="/wiki/Stephen_of_England" class="mw-redirect" title="Stephen of England">Stephen of England</a> for his support against the dispossessed <a href="/wiki/Empress_Matilda" title="Empress Matilda">Empress Matilda</a> during the <a href="/wiki/The_Anarchy" title="The Anarchy">English civil war</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The marriage between Bertha and Alan may have been intended to bring Brittany into the English civil war on the side of Stephen.</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">Everard states Odo and Bertha had only one daughter, Adelaide.<sup id="cite_ref-FOOTNOTEEverard200446_6-2" class="reference"><a href="#cite_note-FOOTNOTEEverard200446-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">War broke out between Bertha's son <a href="/wiki/Conan_IV,_Duke_of_Brittany" title="Conan IV, Duke of Brittany">Conan IV, Duke of Brittany</a> and her second husband Odo. Odo may have made a compact with his brother-in-law, Hoel of Nantes, to divide Brittany between them. However, in late 1156 Conan IV was able to defeat Odo and secure his maternal inheritance.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bertha,_Duchess_of_Brittany&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-FOOTNOTEBryan2016173-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEBryan2016173_1-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFBryan2016">Bryan 2016</a>, p. 173.</span> </li> <li id="cite_note-FOOTNOTEWarren197775-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEWarren197775_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEWarren197775_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEWarren197775_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFWarren1977">Warren 1977</a>, p. 75.</span> </li> <li id="cite_note-FOOTNOTEEverard2004149-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEEverard2004149_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEEverard2004149_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFEverard2004">Everard 2004</a>, p. 149.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><a href="/wiki/George_Edward_Cokayne" title="George Edward Cokayne">Cokayne, G. E.</a>, edited by H. A. Doubleday, Geoffrey H. White, & <a href="/wiki/Thomas_Scott-Ellis,_8th_Baron_Howard_de_Walden" title="Thomas Scott-Ellis, 8th Baron Howard de Walden">Lord Howard de Walden</a>, <i>The Complete Peerage</i>, London, 1945, vol. x, p. 788.</span> </li> <li id="cite_note-FOOTNOTEEverard200446-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEEverard200446_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEEverard200446_6-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEEverard200446_6-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFEverard2004">Everard 2004</a>, p. 46.</span> </li> <li id="cite_note-FOOTNOTEEverard200432-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEEverard200432_7-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFEverard2004">Everard 2004</a>, p. 32.</span> </li> <li id="cite_note-FOOTNOTEVincent2007331-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEVincent2007331_8-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFVincent2007">Vincent 2007</a>, p. 331.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References_2">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bertha,_Duchess_of_Brittany&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFBryan2016" class="citation book cs1">Bryan, Elizabeth J. (2016). "Matthew Parker and the Middle English Prose Brut". In Rajsic, Jaclyn; Kooper, Erik; Hoche, Dominique (eds.). <i>The Prose Brut and Other Late Medieval Chronicles</i>. York Medieval Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Matthew+Parker+and+the+Middle+English+Prose+Brut&rft.btitle=The+Prose+Brut+and+Other+Late+Medieval+Chronicles&rft.pub=York+Medieval+Press&rft.date=2016&rft.aulast=Bryan&rft.aufirst=Elizabeth+J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABertha%2C+Duchess+of+Brittany" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDunbabin1985" class="citation book cs1">Dunbabin, Jean (1985). <i>France in the Making, 843-1180</i>. Oxford University Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=France+in+the+Making%2C+843-1180&rft.pub=Oxford+University+Press&rft.date=1985&rft.aulast=Dunbabin&rft.aufirst=Jean&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABertha%2C+Duchess+of+Brittany" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEverard2004" class="citation book cs1">Everard, J. A. (2004). <i>Brittany and the Angevins: Province and Empire 1158–1203</i>. Cambridge University Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Brittany+and+the+Angevins%3A+Province+and+Empire+1158%E2%80%931203&rft.pub=Cambridge+University+Press&rft.date=2004&rft.aulast=Everard&rft.aufirst=J.+A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABertha%2C+Duchess+of+Brittany" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVincent2007" class="citation book cs1">Vincent, Nicholas (2007). "The Court of Henry II". In Harper-Bill, Christopher; Vincent, Nicholas (eds.). <i>Henry II: New Interpretations</i>. The Boydell Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+Court+of+Henry+II&rft.btitle=Henry+II%3A+New+Interpretations&rft.pub=The+Boydell+Press&rft.date=2007&rft.aulast=Vincent&rft.aufirst=Nicholas&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABertha%2C+Duchess+of+Brittany" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWarren1977" class="citation book cs1">Warren, Wilfred Lewis (1977). <i>Henry II</i>. Yale University Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Henry+II&rft.pub=Yale+University+Press&rft.date=1977&rft.aulast=Warren&rft.aufirst=Wilfred+Lewis&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABertha%2C+Duchess+of+Brittany" class="Z3988"></span></li></ul> <table class="wikitable succession-box noprint" style="margin:0.5em auto; font-size:small;clear:both;"> <tbody><tr> <td colspan="3" style="border-top: 5px solid #FFD700; text-align:center;"><div>Bertha, Duchess of Brittany </div><div><b>House of Cornouaille</b></div><span style="white-space:nowrap; font-size:90%; margin:2em"><b>Born:</b> c. 1114</span><span style="white-space:nowrap; font-size:90%; margin:2em"> <b>Died:</b> 1156</span> </td></tr> <tr> <th colspan="3" style="border-top: 5px solid #ACE777;">Regnal titles </th></tr> <tr style="text-align:center;"> <td style="width:30%;" rowspan="1">Preceded by<div style="font-weight: bold"><a href="/wiki/Conan_III,_Duke_of_Brittany" title="Conan III, Duke of Brittany">Conan III</a></div> </td> <td style="width: 40%; text-align: center;" rowspan="1"><b> <a href="/wiki/List_of_rulers_of_Brittany" class="mw-redirect" title="List of rulers of Brittany">Duchess of Brittany</a> </b><br />1148–1156 </td> <td style="width: 30%; text-align: center;" rowspan="1">Succeeded by<div style="font-weight: bold"><a href="/wiki/Conan_IV,_Duke_of_Brittany" title="Conan IV, Duke of Brittany">Conan IV</a></div> </td></tr> </tbody></table> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl 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.navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Breton_monarchs" title="Template:Breton monarchs"><abbr title="View this template" style="color:black">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Breton_monarchs" title="Template talk:Breton monarchs"><abbr title="Discuss this template" style="color:black">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Breton_monarchs" title="Special:EditPage/Template:Breton monarchs"><abbr title="Edit this template" style="color:black">e</abbr></a></li></ul></div><div id="Monarchs_of_Brittany" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_monarchs_of_Brittany" title="List of monarchs of Brittany">Monarchs</a> of <a href="/wiki/Duchy_of_Brittany" title="Duchy of Brittany">Brittany</a></div></th></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%">Early monarchs</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="c._578–907" scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;"><abbr title="circa">c.</abbr> 578–907</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Waroch_II" title="Waroch II">Waroch</a></li> <li><a href="/wiki/Saint_Judicael" title="Saint Judicael">Saint Judicael</a></li> <li><a href="/wiki/Alain_II_Hir" title="Alain II Hir">Alain II Hir</a></li> <li><a href="/wiki/Morman" title="Morman">Morman</a></li> <li><a href="/wiki/Wihomarc" title="Wihomarc">Wihomarc</a></li> <li><a href="/wiki/Nominoe" title="Nominoe">Nominoe</a></li> <li><a href="/wiki/Erispoe" title="Erispoe">Erispoe</a></li> <li><a href="/wiki/Salomon,_King_of_Brittany" title="Salomon, King of Brittany">Salomon</a></li> <li><a href="/wiki/Pascweten" title="Pascweten">Pascweten</a></li> <li><a href="/wiki/Gurvand" title="Gurvand">Gurvand</a></li> <li><a href="/wiki/Judicael,_Duke_of_Brittany" title="Judicael, Duke of Brittany">Judicael</a></li> <li><a href="/wiki/Alan_I,_King_of_Brittany" title="Alan I, King of Brittany">Alan I</a></li> <li><a href="/wiki/Gourma%C3%ABlon" title="Gourmaëlon">Gourmaëlon</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%">Viking occupation</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal;background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;"><abbr title="circa">c.</abbr> 907–938</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li>Hroflr</li> <li>Rognvaldr</li> <li>Incon</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/County_of_Nantes" title="County of Nantes">House of Nantes</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">938–958</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alan_II,_Duke_of_Brittany" title="Alan II, Duke of Brittany">Alan II</a> (938–952)</li> <li><a href="/wiki/Drogo,_Duke_of_Brittany" title="Drogo, Duke of Brittany">Drogo</a> (952–958)</li> <li><a href="/wiki/Ho%C3%ABl_I,_Duke_of_Brittany" title="Hoël I, Duke of Brittany">Hoël I</a> (960–981)</li> <li><a href="/wiki/Guerech,_Duke_of_Brittany" title="Guerech, Duke of Brittany">Guerech</a> (981–988)</li> <li><a href="/wiki/Alan,_Count_of_Nantes_(988%E2%80%9390)" class="mw-redirect" title="Alan, Count of Nantes (988–90)">Alan (III)</a> (988–990)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/Count_of_Rennes" title="Count of Rennes">House of Rennes</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">958–1072</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Conan_I_of_Rennes" title="Conan I of Rennes">Conan I</a> (990–992)</li> <li><a href="/wiki/Geoffrey_I,_Duke_of_Brittany" title="Geoffrey I, Duke of Brittany">Geoffrey I</a> (992–1008)</li> <li><a href="/wiki/Alan_III,_Duke_of_Brittany" title="Alan III, Duke of Brittany">Alan III</a> (1008–1040)</li> <li><a href="/wiki/Odo,_Count_of_Penthi%C3%A8vre" title="Odo, Count of Penthièvre">Odo I</a> (1008–1034)</li> <li><a href="/wiki/Conan_II,_Duke_of_Brittany" title="Conan II, Duke of Brittany">Conan II</a> (1040–1066)</li> <li><a href="/wiki/Hawise,_Duchess_of_Brittany" title="Hawise, Duchess of Brittany">Hawise</a> (1066–1072)</li> <li><small>with</small> <a href="/wiki/Ho%C3%ABl_II,_Duke_of_Brittany" title="Hoël II, Duke of Brittany">Hoël II</a> (1066–1072)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%">House of Cornouaille</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1072–1156</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alan_IV,_Duke_of_Brittany" title="Alan IV, Duke of Brittany">Alan IV</a> (1072–1112)</li> <li><a href="/wiki/Conan_III,_Duke_of_Brittany" title="Conan III, Duke of Brittany">Conan III</a> (1112–1148)</li> <li><a class="mw-selflink selflink">Bertha</a> (1148–1156)</li> <li><small>with</small> <a href="/wiki/Odo_II,_Viscount_of_Porho%C3%ABt" title="Odo II, Viscount of Porhoët">Odo II</a> (1148–1156)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/Counts_and_dukes_of_Penthi%C3%A8vre" title="Counts and dukes of Penthièvre">House of Penthièvre</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1156–1196</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Conan_IV,_Duke_of_Brittany" title="Conan IV, Duke of Brittany">Conan IV</a> (1156–1166)</li> <li><a href="/wiki/Constance,_Duchess_of_Brittany" title="Constance, Duchess of Brittany">Constance</a> (1166–1201)</li> <li><small>with</small> <a href="/wiki/Geoffrey_II,_Duke_of_Brittany" title="Geoffrey II, Duke of Brittany">Geoffrey II</a> (1181–1186)</li> <li><small>later</small> <a href="/wiki/Guy_of_Thouars" title="Guy of Thouars">Guy of Thouars</a> (1199–1201)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/House_of_Plantagenet" title="House of Plantagenet">House of Plantagenet</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1196–1203</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arthur_I,_Duke_of_Brittany" title="Arthur I, Duke of Brittany">Arthur I</a> (1196–1203)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/List_of_viscounts_of_Thouars" title="List of viscounts of Thouars">House of Thouars</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1203–1221</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alix,_Duchess_of_Brittany" title="Alix, Duchess of Brittany">Alix</a> (1203–1221)</li> <li><small>with</small> <a href="/wiki/Peter_I,_Duke_of_Brittany" title="Peter I, Duke of Brittany">Peter I</a> (1213–1221)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/Counts_of_Dreux" title="Counts of Dreux">House of Dreux</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1221–1341</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/John_I,_Duke_of_Brittany" title="John I, Duke of Brittany">John I</a> (1221–1286)</li> <li><a href="/wiki/John_II,_Duke_of_Brittany" title="John II, Duke of Brittany">John II</a> (1286–1305)</li> <li><a href="/wiki/Arthur_II,_Duke_of_Brittany" title="Arthur II, Duke of Brittany">Arthur II</a> (1305–1312)</li> <li><a href="/wiki/John_III,_Duke_of_Brittany" title="John III, Duke of Brittany">John III</a> (1312–1341)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/War_of_the_Breton_Succession" title="War of the Breton Succession">War of the Breton Succession</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1341–1365</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Joan,_Duchess_of_Brittany" title="Joan, Duchess of Brittany">Joan</a> (1341–1364)</li> <li><small>with</small> <a href="/wiki/Charles,_Duke_of_Brittany" title="Charles, Duke of Brittany">Charles</a> (1341–1364)<br /><small>disputed by </small></li> <li><a href="/wiki/John_of_Montfort" title="John of Montfort">John of Montfort</a> (1341–1345) <small>and</small> <a href="/wiki/John_IV,_Duke_of_Brittany" title="John IV, Duke of Brittany">John IV</a> (1345–1365)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/Montfort_of_Brittany" class="mw-redirect" title="Montfort of Brittany">Montfort of Brittany</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1365–1514</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/John_IV,_Duke_of_Brittany" title="John IV, Duke of Brittany">John IV</a> (1365–1399)</li> <li><a href="/wiki/John_V,_Duke_of_Brittany" title="John V, Duke of Brittany">John V</a> (1399–1442)</li> <li><a href="/wiki/Francis_I,_Duke_of_Brittany" title="Francis I, Duke of Brittany">Francis I</a> (1442–1450)</li> <li><a href="/wiki/Peter_II,_Duke_of_Brittany" title="Peter II, Duke of Brittany">Peter II</a> (1450–1457)</li> <li><a href="/wiki/Arthur_III,_Duke_of_Brittany" title="Arthur III, Duke of Brittany">Arthur III</a> (1457–1458)</li> <li><a href="/wiki/Francis_II,_Duke_of_Brittany" title="Francis II, Duke of Brittany">Francis II</a> (1458–1488)</li> <li><a href="/wiki/Anne_of_Brittany" title="Anne of Brittany">Anne</a> (1488–1514)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/House_of_Valois" title="House of Valois">House of Valois</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1514–1547</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Claude_of_France" title="Claude of France">Claude</a> (1514–1524)</li> <li><a href="/wiki/Francis_III,_Duke_of_Brittany" title="Francis III, Duke of Brittany">Francis III</a> (1524–1536)</li> <li><a href="/wiki/Henry_II_of_France" title="Henry II of France">Henry</a> (1536–1547)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background:lightgray;color:black;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/Courtesy_title" title="Courtesy title">Courtesy title</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7em;font-weight:normal; background:lightgray; box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;">1547–present</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Louis,_Duke_of_Brittany_(1704%E2%80%931705)" title="Louis, Duke of Brittany (1704–1705)">Louis de France</a> (1704–1705)</li> <li><a href="/wiki/Louis,_Duke_of_Brittany_(1707%E2%80%931712)" title="Louis, Duke of Brittany (1707–1712)">Louis de France</a> (1707–1712)</li> <li>François de Bourbon (1973–1984)</li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Bertha,_Duchess_of_Brittany&oldid=1256728073">https://en.wikipedia.org/w/index.php?title=Bertha,_Duchess_of_Brittany&oldid=1256728073</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:12th-century_deaths" title="Category:12th-century deaths">12th-century deaths</a></li><li><a href="/wiki/Category:12th-century_dukes_of_Brittany" title="Category:12th-century dukes of 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