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Male William DE BERTRAM Click to view William DE BERTRAM in the family tree

William DE was born about 1099 in Mitford, Northumberland, England.  William DE's father was Richard BERTRAM and his mother was Sybilla (Sigel) DE MITFORD.  His paternal grandparents were William  BERTRAM and NN. DE BOSTENBURGH; his maternal grandfather was John MITFORD.  He was an only child.


William DE's family with Hawise DE BALLIOL

They had a son named Richard.