Guillaume I de Bethune,
Birth date:
ABT 1092
Birth place:
Bethune, Pas-De-Calais, , France
 
Death date:
  1138
Death place:
  Arras, Pas-De-Calais, , France

de Bethune, Family

Parents:
Father: Robert IV de Bethune,
Mother: Adelheide de Peronne,
Spouse:
Spouse: Clemence d'Oisy,
 
Siblings:
Guillaume I de Bethune,
Children:
Robert V de Bethune Dit Le Roux
Mathilde Bethune