John (Jean) I Count of Ponthieu 
John (Jean) I Count of was born about 1140 in Montreuil, Pas-de-Calais, France. He died in 1191 in Acre, Palestine.
John (Jean) I Count of and Laura (Laurette) de were married in a religious ceremony after 1162 in 1st husband 2nd wife - divorced.
John (Jean) I Count of and Beatrice de were married in a religious ceremony before 1177 in 1st husband 3rd wife. They had a son named William (Guillaume) III Count of.
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Children
William (Guillaume) III Count of Ponthieu
William (Guillaume) III Count of was born in 1179 in Ponthieu, Somme, Picardy, France. He died at the age of 42 on October 4th, 1221 in Abbeville, Somme, Picardy, France.
John (Jean) I Count of and Matilda were married in a religious ceremony in 1st wife. They had a daughter named Adele de.
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Children
Adele de Ponthieu
Adele de was born about 1160 in Ponthieu, Somme, Picardy, France. She died on November 15th, 1251.
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