William III (Ld. Ros of Helmsley) De Ros
Birth date:
1 SEP 1290
Birth place:
North Riding, Yorkshire, , England
 
Death date:
  3 FEB 1343
Death place:
  Bur Kirkham, Lincs England, Lincs, England

De Ros Family

Parents:
Father: William II (Lord Helmsley & Belvoir) DeRos
Mother: Maud Baroness DeVaux
Spouse:
Spouse: Margery Helmsley Badlesmere
 
Siblings:
William III (Ld. Ros of Helmsley) De Ros
Children:
Thomas Lord Helmsley Ros
Elizabeth deRos
Joan Ross
Mary deRos
Margaret DeRos
Maud De Ros Baroness Welles
William Ros
Earl Robert of Helmsley Bruce
Richard DeBurley
John DeRos
Alicia De Ros