William FitzOsbern de Crepon
Birth date:
1023
Birth place:
Poitiers, Poitou, , France
 
Death date:
  20 FEB 1071
Death place:
  Flanders, Normandie, , France

de Crepon Family

Parents:
Father: Osbern FitzHerfast de Crepon
Mother: Emma Saint Savier
Spouse:
Spouse: Adeliza de Toeni
 
Siblings:
William FitzOsbern de Crepon
Emma FitzOsbern de Crepon
Children:
Emma FitzWilliam de Breteuil
Roger FitzWilliam de Breteuil
Avise FitzWilliam de Breteuil
Adeliza FitzWilliam de Crepon