Be20 Henry de Beaumont


was  the son of Sir John de Beaumont (Be21), 2nd Lord Beaumont and Lady Eleanor Plantagenet.
Be20 Henry de Beaumont, 3rd Lord Beaumont
Born: circa 1340 at Brabant, Belgium.
Died on 25 July 1369.
Buried at Sempringham Priory, Lincolnshire, England.
Married: .Margaret de Vere, daughter of John de Vere, 7th Earl of Oxford and Maud de Badlesmere.
 Child of Henry de Beaumont, 3rd Lord Beaumont and Margaret de Vere
Sir John de Beaumont, 4th Lord Beaumont b. c 1361, d. 9 Sep 1396
Henry de Beaumont, 3rd Lord Beaumont succeeded to the title of 3rd Lord Beaumont [E., 1309] in May 1342.2 He was naturalized as a English subject, by Act of Parliament in 1351. In 1360 he did homage for his lands.     
Source: http://www.thepeerage.com/p10690.htm#i106894
 

Citations
[S11] Alison Weir, Britain's Royal Family: A Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain's Royal Family.
[S6] 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 61. Hereinafter cited as The Complete Peerage.
[S8] Charles Mosley, editor, Burke's Peerage and Baronetage, 106th edition, 2 volumes (Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd, 1999), volume 1, page 228. Hereinafter cited as Burke's Peerage and Baronetage, 106th edition.
[S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 78. Hereinafter cited as The Complete Peerage, Volume XIV.
[S8] Charles Mosley, Burke's Peerage and Baronetage, 106th edition, volume 1, page 228, says 17 June 1369.