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

William was born about 1015.  William's father was Osbern Fitzherfast and his mother was Emma Of Ivry.  His paternal grandfather was Herfast De Crepon; his maternal grandparents were Count Of Ivry Ralph and UNKNOWN Aubree.  He was an only child.  He died in Cassel, Flanders, France.


William's family with Adelise De Toni

They had two daughters named Emma and Adeliza.

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