He was the son of Sir Thomas FitzWilliam and the Lady Lucy Neville.[1]He married Anne Pagenham in 1507 at Aldwark, Yorkshire, England. He died on the 9th of September 1513 at Flodden Field, Northumberland, England, killed in Battle.[2]
↑ 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 XII/1, page 119.
Cokayne, George Edward, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct, or Dormant (London: St. Catherine Press, 1910.), 12 (1): 118e
Flower, William, The Visitations of Yorkshire in the Years 1563 and 1564 (London: Harleian Society, 1881.), p. 128
Maddison, Arthur Roland, Lincolnshire Pedigrees v. 50 (London: Publications of the Harleian Society, 1902-1906.), p. 362