 Jean I de Ponthieu, son of Guy II de Ponthieu and Ida de St. Pol.Born ± 1135 at Montreuil,Pas-DE-Calais,France, died 1191 at Acre,Palestine, approximately 56 years Name Suffix: REFN: 1260926716 Ancestral File Number: Married before 1179 at 1st Husband 3Rd Wife (at least 12 years married) to:  Beatrice De St. Pol, daughter of Anselme de ST. POL and Eustachie de Champagne.Born ± 1135 at St. Pol,Nord,Nord-Pas-DE-Calais,France, died after 1204, 1st marriage to: Jean I de Ponthieu, 2nd marriage to: Robert I Seigneur De Boves Name Suffix: REFN: 1260926717 Ancestral File Number: Children: 1. Adele de Ponthieu2. William (Guillaume) III Count Of PonthieuBorn ± 1171 at Ponthieu,Somme,Picardy,France, died Oct 4, 1221 at Abbeville,Somme,Picardy,France, approximately 50 years Ancestral File Number: Name Suffix: REFN: 630463358 1 NAME William (Guillaume) III Count Of /PONTHIEU/ | |||