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Male Hildouin de Ponthieu Click to view Hildouin de Ponthieu in the family tree

Hildouin was born before 0965.  Hildouin's father was William I de Ponthieu and his mother was Maud St. Pol Sur Mer de Therouanne.  His maternal grandfather was Adalof Sur Mer de Therouanne of Boulogne and his maternal grandmother is Mahaut Crequy. He had a brother named Ernicule of.  He was the younger of the two children.  He died about 0981.

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