William Iii De Forz
Birth date:
BEF 17 DEC 1216
Birth place:
, , ,
 
Death date:
  23 MAY 1260
Death place:
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De Forz Family

Parents:
Father: William De Fors Ii
Mother: Aveline De Montfichet
Spouse:
Spouse: Isabella De Redvers Countess of Devon
 
Siblings:
William Iii De Forz
Children:
Aveline De Forz Countess of Holderness