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Male Osbern De Cailly Click to view Osbern De Cailly in the family tree

Osbern was born before 1040.  Osbern's father was Comte De Brionne Gilbert Crispin Comte De Brionne and his mother was Herleva De Falaise.  His maternal grandparents were Fulbert "The Tanner" De Falaise and Doda. He had a brother named Baldwin.  He was the younger of the two children. He had four half-brothers and four half-sisters, named William the Conqueror King of, Ralph Comte, Odo Evêque, Robert De Burgo Comte, Adeliza, Godiva Of, Emma and Muriel.  He died after 1107.

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