William I de Ros,
Birth date:
ABT 1196
Birth place:
Helmsley, Yorkshire, , England
 
Death date:
  1264
Death place:
  Poitier, Poitou, Vienne, France

de Ros, Family

Parents:
Father: Robert II de Ros,
Mother: Isabella de Huntingdon
Spouse:
Spouse: Lucy Fitzpiers
 
Siblings:
William I de Ros,
Robert de Ros,
Children:
William II de Ros,
Robert de Ros,
Alice de Ros
Lucy de Ros