John (Jean) I Count of Ponthieu and Montreuil
Birth date:
ABT 1135
Birth place:
Of, Isleworth, Middlesex, England
 
Death date:
  1191
Death place:
  , Acre, , Palestine

Montreuil Family

Parents:
Father: Guy De Ponthieu
Mother: Ida De Saint Pol
Spouse:
Spouse: Beatrice Decandvaine of St.Pol
 
Siblings:
Guy de Ponthieu de Noyelle
John (Jean) I Count of Ponthieu and Montreuil
Jean I (John I) de Ponthieu
Jean I of Ponthieu
of Ponthieu Jean I
John I
Guy Lord of Novelles
Agnes Abbess of Austreberta
John Montgomery Count of Ponthieu and Montgomery
John I De Ponthieu
Jean D'Alencon, Count of Ponthieu Montreuil
Rohese De Ponthieu
Children:
William Iv Count of Ponthieu
Guillaume III Count of Ponthieu