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Male Earl of Hertford *William FitzOsbern Click to view Earl of Hertford *William FitzOsbern in the family tree

*William was born in Poitou FRA.  *William's father was Steward Of Normandy * Robert Osbern de Crepon and his mother was * Emma Aldreda.  His paternal grandfather was * Herfast De Crepon.  He was an only child.  He died on February 22nd, 1071.


*William's family with * Adeliza de Toeni

They had five sons and two daughters, named William, Roger, Ralph, John, Richard, * Emma and Adeliza.

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