John I, Count of Alençon French aristocrat (1150–1191) Parents Helie of Burgundy William III, Count of Ponthieu Children Robert III, Count of Alençon Alix d'Alençon John II, Count of Alençon Philippe d'Alençon Guillem IV d'Alençon Helie d'Alençon Siblings Pons Guy II of Ponthieu Ela de Ponthieu Clemence de Ponthieu Partners Beatrix de Maine