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Male Guillaume I Comte de PONTHIEU Click to view Guillaume I Comte de PONTHIEU in the family tree

Guillaume I Comte de was born about 0915.  Guillaume I Comte de's father was Herlouin II Duc d' Amiens Comte de PONTHIEU and his mother was Miss DAMMARTIN.  His paternal grandfather was Helgaud III Comte de PONTHIEU.  He was an only child.  He died in 0980.


Guillaume I Comte de's family with Maude de St. Pol sur Mer de THEROUANNE

They had a son named Arnoul II (Arnold) Comte de.