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Male William (Guillaume) III Count Of Ponthieu Click to view William (Guillaume) III Count Of Ponthieu in the family tree

William (Guillaume) III Count Of was born about 1171 in Ponthieu,Somme,Picardy,France.1   William (Guillaume) III Count Of's father was Jean I de Ponthieu and his mother was Beatrice De St. Pol.  His paternal grandparents were Guy II de Ponthieu and Ida de St. Pol; his maternal grandparents were Anselme de ST. POL and Eustachie de Champagne. He had a sister named Adele de. He had a half-brother named Enguerrand II Seigneur De.  He died on October 4th, 1221 in Abbeville,Somme,Picardy,France.2 


William (Guillaume) III Count Of's family with Alix Princess of France

‌William (Guillaume) III Count Of and Alix Princess of were married in a religious ceremony on August 20th, 1195 in CASTILE,Spain.  They had a daughter named Marie de.

1 The Plantagenet Ancestry, by William Henry Turton, 1968 @ 13
2 The Plantagenet Ancestry, by William Henry Turton, 1968 @ 13
Further source/citation:
Ancestral Roots of Certain American Colonists, 7th Edition, by Frederick Lewis Weis, additions by Walter Lee Shippard Jr., 1999 @ 109-28

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