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Male Guilliaume De Ponthieu Click to view Guilliaume De Ponthieu in the family tree

Guilliaume De was born about 0914.  Guilliaume De's father was Roger Rotgaire De Ponthieu and his mother was Mrs Roger Rotgaire Ponthieu.  His paternal grandparents were Herluin II Count Of Ponthieu and Miss Dammartin. He had a brother named Hugh Of.  He was the older of the two children.  He died in 0965.


Guilliaume De's family with Maude De St Pol Sur Mer De Therouanne

They had a son and a daughter, named Hildouin De and Godchilde.

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