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Male William FITZOSBERN Click to view William FITZOSBERN in the family tree

William was born about 1030 in Poitiers, Poitou, France.  William's father was Osbern I de CREPON and his mother was Emma of  IVREA.  His maternal grandparents were Ralph de IVREA and Erneberge de CAUX.  He was an only child.  He died in Flanders.


William's family with Alice (Adelise) de TOENI

They had a daughter named Adeliza de.