Guillaume
Birth date:
1179
Birth place:
Ponthieu, Flandres, , France
 
Death date:
  4 OCT 1221
Death place:
  , , , France

Guillaume Family

Parents:
Father: of Ponthiew Jean I De Ponthieu
Mother: Mathide Beatrice of Maine
Spouse:
Spouse:
 
Siblings:
Robert II Count of Alencon
Adele De Ponthieu
Robert deCoucy deBoves deFouencamp
of Ponthieu Guillaume Talvas III DePononthieu
Guillaume
Helene dePonthieu
Isabell DePonthieu
of Ponthieu William III
Agnes dePonthieu
Crusader Knight Seigneur Enguerrand De DeBoves
Marguerite DePonthieu
Children: