Mary Jane Thatcher1
From 22 August 1956, her married name became Gibbs.1
Children of Mary Jane Thatcher and Beresford Norman Gibbs
- John William Gibbs1 b. 5 Nov 1957
- Cecily Sheila Gibbs1 b. 9 Feb 1960
- Alice Rosamond Gibbs1 b. 8 Mar 1963
- David Norman Gibbs1 b. 22 Sep 1965
- [S8] BP1999 volume 1, page 53. See link for full details for this source. Hereinafter cited as. [S8]
William Arthur Norman Thatcher1
Child of William Arthur Norman Thatcher
- [S8] BP1999 volume 1, page 53. See link for full details for this source. Hereinafter cited as. [S8]
Maud de Clifford1 
Her married name became Giffard.2 From 1254, her married name became Longespée.2
Child of Maud de Clifford and William Longespée, 3rd Earl of Salisbury
- Margaret Longespée+ b. c 1254, d. bt 8 Oct 1306 – 16 Jun 1310
Children of Maud de Clifford and Sir John Giffard, 1st Lord Giffard
- Eleanor Giffard+
- Catherine Giffard+2 b. b 1272
- [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 307. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume I, page 338.
- [S37] BP2003 volume 1, page 1063. See link for full details for this source. Hereinafter cited as. [S37]
Walter de Clifford1 
Child of Walter de Clifford and Margaret ferch Llywelyn
- Maud de Clifford+3 d. bt Dec 1282 – 9 May 1285
- [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 I, page 338. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 1, page 1063. See link for full details for this source. Hereinafter cited as. [S37]
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 307.
Margaret ferch Llywelyn1 
Child of Margaret ferch Llywelyn and Walter de Clifford
- Maud de Clifford+3 d. bt Dec 1282 – 9 May 1285
Children of Margaret ferch Llywelyn and John de Braose
- John de Briouze3
- William de Braose, 1st Lord Brewes+1 b. b 1227, d. 6 Jan 1290/91
- Sir Richard de Breuse+5 b. b 1232, d. b 18 Jun 1292
- [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 302. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 1, page 1063. See link for full details for this source. Hereinafter cited as. [S37]
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 307.
- [S5162] Werner Kittel, “re: Normandy Families,” family provided evidence then verified by subsequent research and verification by BENR (101053), 4 February 2011. Hereinafter cited as “re: Normandy Families.”
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 304.
John William Gibbs1
- [S8] BP1999 volume 1, page 53. See link for full details for this source. Hereinafter cited as. [S8]
David Norman Gibbs1
- [S8] BP1999 volume 1, page 53. See link for full details for this source. Hereinafter cited as. [S8]
Cecily Sheila Gibbs1
- [S8] BP1999 volume 1, page 53. See link for full details for this source. Hereinafter cited as. [S8]
Lt.-Col. William Beresford Gibbs1

He was educated at Wellington College, Berkshire, EnglandG.1 He was educated at Royal Military College, Sandhurst, Berkshire, EnglandG.1 He fought in the First World War. He gained the rank of Lieutenant-Colonel in the Worcestershire Regiment.1
- [S8] BP1999 volume 1, page 53. See link for full details for this source. Hereinafter cited as. [S8]
Roger FitzPeter1
Child of Roger FitzPeter and Joan de Urtiaco
- Sir Henry FitzRoger+1 b. 1318, d. 1351
- [S1292] Steve Addison, “re: Dickinson Family,” e-mail message to British and European Nobility Register, 11 and 16 March 2005. Hereinafter cited as “re: Dickinson Family.”
