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Male William de Bertram Baron Mitford Click to view William de Bertram Baron Mitford in the family tree

William de Bertram was born about 1099 in Mitford, Northumberland, England.  William de Bertram's father was Richard de Bertram and his mother was Sybilla de Mitford.  His maternal grandfather was John de Mitford Baron Mitford.  He was an only child.

Family Details of William de Bertram's family with Hawise de Baliol

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