William Ashburnham 
- Marriage: Hon. Elizabeth Poulett 
- Died: 1665
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 I, page 271. Hereinafter cited as The Complete Peerage.
William married Hon. Elizabeth Poulett  [MRIN: 551615248], daughter of John of Hinton Poulett 1st Baron Poulett  [KNYV-RKQ] and Unkown .