Guillaume III, Count of Ponthieu
Birth:
1179
Ponthieu, Flandres, France
Death:
4 Oct 1221
France
FCID:6361:5271
Parents
Father:
Mother:
Marriage(s)
Alix Princess of France
md. 20 Aug 1195
Castile
Children
1.
Marie (Je ... Ponthieu & Montreuil
b. 17 Apr 1199