William II de Fiennes was born circa 1245 to Enguerrand II de Fiennes (c1210-1265) and Isabelle de Conde (c1214-) and died 11 July 1302 of unspecified causes. Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Hugh Capet (c940-996). Ancestors are from France, the United Kingdom, Germany, Belgium, the Netherlands.


Offspring of William II Fiennes and Blanche de Brienne (c1252-c1302)
Name Birth Death Joined with
Margaret de Fiennes (aft1269-1333) 1269 7 February 1333 Edmund Mortimer, 2nd Baron Mortimer (1251-1304)

Robert de Fiennes (c1273-?)
John de Fiennes (c1277-1331)



Offspring of Enguerrand II Fiennes and Isabelle de Conde (c1214-)
Name Birth Death Joined with
Reginald de Fiennes (c1232-aft1270)
Robert de Fiennes (c1233-?)
Enguerrand de Fiennes (c1235-?)
William II de Fiennes (c1245-1302) 1245 11 July 1302 Blanche de Brienne (c1252-c1302)

Giles de Fiennes (c1251-?)
Maud de Fiennes (c1254-c1298) 1254 1298 Humphrey de Bohun, 3rd Earl of Hereford (c1249-1298)


  • Collins's peerage of England; genealogical, biographical, and ..., Volume 6 By Arthur Collins,

See also

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Footnotes (including sources)

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