Joan, Duchess of Brittany
French duchess (1319-1384) · France · On the map · Politicians · Died at 65
Joan of Penthièvre, sometimes called Joan the Lame, reigned as Duchess of Brittany together with her husband, Charles of Blois, between 1341 and 1364. Her ducal claims were contested by the House of Montfort, which prevailed only after an extensive civil war, the War of the Breton Succession.
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After the war, Joan remained titular Duchess of Brittany to her death. She was Countess of Penthièvre in her own right throughout her life.