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

William was born about 1142 in Of, Hambleton, Buckinghamshire, England.1   William's father was Robert "Bossu" De Beaumont and his mother was Amice De (Uta) Gael (Waiet).  His paternal grandparents were Robert DeBeaumont and Isabel DeVermandois; his maternal grandfather was Ralph De Waiet. He had five brothers and three sisters, named Robert "Blanchmains", Gervace De, John De, Geoffrey De, Henry De, Isabel (Elizabeth) "De, Hawise DeBeaumont and Margaret De.1 

Family Details of William's family with Mary Unknown

1 phelps1609.FTW
Further source/citation:
World Family Tree Vol. 16, Ed. 1 @ Tree #1609