William de Forz was a French noble, believed to be from Fors in Poitou. He became by right of his wife Count of Aumale following his marriage to Hawise of Aumale, sole heiress of William le Gros, Count of Aumale, and their son was William de Forz.
- Occupation
- feudatory, crusader
- Citizenship
- France
- Born
- 1155
- Died
- 1194
