Marie of Armagnac French noble (d. 1473) Parents Isabella of Navarre, Countess of Armagnac John IV, Count of Armagnac Children René, Duke of Alençon Catherine d'Alençon Siblings Eleonor of Armagnac John V, Count of Armagnac Bonne of Armagnac Charles I, Count of Armagnac Isabel of Armagnac Partners Jean II, Duke of Alençon