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Male WILLIAM (Baron) BERTRAM Click to view WILLIAM (Baron) BERTRAM in the family tree

WILLIAM (Baron) was born about 1099 in Mitford, Northumberlandshire, England.1   WILLIAM (Baron)'s father was RICHARD (Sir) BERTRAM and his mother was SIGEL de MITFORD.  His paternal grandparents were WILLIAM BERTRAM and N.N. de BOSTENBURGH; his maternal grandfather was JOHN LORD de MITFORD.  He was an only child.


WILLIAM (Baron)'s family with HAWISE de BALLIOL

They had two sons named ROGER and RICHARD (Baron).

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