William I Talvas, seigneur of Alençon. According to Orderic Vitalis his nickname Talvas meaning shield, presumably alluded to his hardness or callousness like that of a shield. He was a member of the House of Bellême. Wikipedia
Died: 1052, Domfront, Domfront en Poiraie, France
Children: Mabel de Bellême
Parents: William of Bellême
Partner: Hildeburgis
Great grandchildren: William III, Count of Ponthieu, Emma of Mortain, Alice de Montgomery, and more
Great-grandparent: Yves de Creil
Grandparent: Yves de Bellême