 Complete the following phrase:  Joan of Penthièvre or Joan the Lame French: Jeanne de Penthièvre, Jeanne la Boiteuse; c. 1319  10 September 1384 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 