Guillaume III, Count of Ponthieu
Birth:
1179
Ponthieu, Flandres, France
Death:
4 Oct 1221
France
FCID:16080:12010
Parents
Father:
Jean I Count of Ponthieu & Montreuil
Mother:
Béatrice de Saint Pol
Marriage(s)
Alix Princess of France
md. 20 Aug 1195
Castile
Children
1.
Marie (Je ... Ponthieu & Montreuil
b. 17 Apr 1199