Comte de Poitou, Duc d'Aquitaine William Peter *d'Aquitaine V

William Peter was born about 1023 in Aquitaine,France.  William Peter's father was Comte de Poitou, Duc d'Aquitaine William III and his mother was Comtess de Burgundy Agness of Burgundy.  His maternal grandparents are Otton * I and Ermentrude de Roucy *. He had a brother and a sister, named William Geoffrey and Agnes.  He was the second oldest of the three children.  He died in 1058.