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date: 18 February 2020

Forz [Fortibus], William de, count of Aumalelocked

(1191x6–1241)
  • Barbara English

Extract

Forz [Fortibus], William de, count of Aumale (1191x6–1241), magnate, raised one of the most serious threats to the stability of England during the minority of Henry III.

His title and lands in England and Normandy were inherited through his mother, Hawisa, countess of Aumale...

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Transactions of the Royal Historical Society
, PRSoc. (1884–) [pipe rolls]
H. R. Luard, ed., , 7 vols., RS, 57 (1872–83)
Chancery records (Public Record Office)