Guillaume III, Count of Ponthieu
Birth:
1179
of Ponthieu, Aisne, Picardie, France
Death:
4 Oct 1221
France
FCID:6414:26419
Parents
Father:
Jean I, Count of Ponthieu & Montreuil
Mother:
Béatrice de Saint Pol
Marriage(s)
Alix, Princess of France
md. 20 Aug 1195
Castile, Spain
Children
1.
Marie (Je ... Ponthieu & Montreuil
b. 17 Apr 1199