Joan of France, Duchess of Brittany daughter of King Charles VI of France (1391–1433) Parents Isabeau of Bavaria Charles VI of France Children Gilles de Bretagne Peter II, Duke of Brittany Francis I, Duke of Brittany Isabella of Brittany Siblings Isabella of Valois Louis, Dauphin of France, Duke of Guyenne Marie, Prioress of Poissy John, Dauphin of France, Duke of Touraine Catherine of Valois Michelle of Valois Charles VII of France Marguerite, bâtarde de France Charles de France Philippe de Valois Charles, Dauphin of France Partners John V
