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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 in 1179 in Ponthieu, Somme, Picardy, France.  William (Guillaume) III Count of's father was John (Jean) I Count of Ponthieu and his mother was Beatrice de St. Pol. He had a half-brother and a half-sister, named Enguerrand II Seigneur de and Adele de.  He died at the age of 42 on October 4th, 1221 in Abbeville, Somme, Picardy, France.

William (Guillaume) III Count of's family with Alix Princess of France , Countess of Vexin

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

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