Sir William Berkeley Knight  25
- Born: 1433
- Marriage: Anne Stafford Baroness Clinton of Marstoke 
- Died: 1501 at age 68
Sir William Berkeley was invested as a Knight, Order of the Bath (K.B.).1 In 1486 he was attainted.2 In 1497 he was restored to his honours.2
1. G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 234. Hereinafter cited as The Complete Peerage.
2. Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 45. Hereinafter cited as Burkes Extinct Peerage.
William married Anne Stafford Baroness Clinton of Marstoke  [MRIN: 12960], daughter of Sir Humphrey of Grafton Stafford  and Eleanor Aylesbury . (Anne Stafford Baroness Clinton of Marstoke  was born about 1447 in Alnwick, Northumberland, England and died between 1508 and 1522.)