William III de Forz, 4th Earl of Albemarle (died 1260) (Latinised as de Fortibus) played a conspicuous part in the reign of Henry III of England, notably in the Mad Parliament of 1258.
He married:
William de Forz died at Amiens. His widow, Isabella, on the death of her brother Baldwin de Redvers, 8th Earl of Devon, in 1261, called herself Countess of Devon. She had six children, all of whom pre-deceased her, including Thomas, who died in 1269 unmarried, and Avelina, who married Edmund Crouchback, 1st Earl of Lancaster in 1269, and died without issue in 1274, aged 15.
| Peerage of England | ||
|---|---|---|
| Preceded by William II de Forz, 3rd Earl of Albemarle |
Earl of Albemarle 1241–1260 |
Succeeded by |