Godfrey Herbert Joseph Williams1 
He lived at Aberpergwm, Glamorgan, WalesG.2
Child of Godfrey Herbert Joseph Williams and Hon. Miriam Isabel Thellusson
Thomas Fulco French Wolferstan Chanter1
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Hon. Cecilia Blanche Thellusson1 
- [S37] BP2003 volume 3, page 3318. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Ruby Alexandrina Elizabeth Thellusson1 
From 29 November 1907, her married name became Petre.2
Children of Hon. Ruby Alexandrina Elizabeth Thellusson and Lt.-Col. Bernard James Petre
- Juliana Egidia Petre3 b. 9 Jun 1910, d. Jun 1995
- John Frederick Berney Petre2 b. 19 Jul 1913, d. 20 Feb 1990
- [S37] BP2003 volume 3, page 3318. See link for full details for this source. Hereinafter cited as. [S37]
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S47] BIFR1976 page 189. See link for full details for this source. Hereinafter cited as. [S47]
Lt.-Col. Bernard James Petre1 
He was given the name of Bernard James Duff at birth.1 In 1882 his name was legally changed to Bernard James Petre.1 He held the office of Justice of the Peace (J.P.)3 He gained the rank of Colonel in the 5th Norfolk Regiment.1 He was with the Indian Civil Service.3 He held the office of Deputy Lieutenant (D.L.)3 He lived at Westwick, Norwich, Norfolk, EnglandG.
Children of Lt.-Col. Bernard James Petre and Hon. Ruby Alexandrina Elizabeth Thellusson
- Juliana Egidia Petre3 b. 9 Jun 1910, d. Jun 1995
- John Frederick Berney Petre1 b. 19 Jul 1913, d. 20 Feb 1990
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S37] BP2003 volume 3, page 3318. See link for full details for this source. Hereinafter cited as. [S37]
- [S47] BIFR1976 page 189. See link for full details for this source. Hereinafter cited as. [S47]
Major James Duff1 
He and Margaret Coleman were associated.2 He held the office of Member of Parliament (M.P.) for North Norfolk between 1876 and 1878.1
Child of Major James Duff and Margaret Coleman
- Helen Duff2 b. 6 Jan 1856, d. 23 Mar 1909
Children of Major James Duff and Mary Laura Dawkins
- Mildred Blanche Duff1 b. 26 Jan 1860, d. 8 Dec 1932
- Beatrice Duff1 b. 11 Mar 1861, d. 8 Feb 1863
- Lilian Selina Amy Duff2 b. 1862
- Lt.-Col. Bernard James Petre+1 b. 17 May 1867, d. 1 Feb 1934
- Granville John Berney Duff+1 b. 5 Jun 1869, d. 27 Apr 1936
- Catherine Basilia Duff1 b. 11 Apr 1877, d. 1951
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S2236] Tuwhainoa Paul McKenna Duff, “re: Duff Family,” e-mail message to BENR, 8 April 2007. Hereinafter cited as “re: Duff Family.”
Hon. Mariota Thellusson1 
Her married name became Egerton. After her marriage, Hon. Mariota Thellusson was styled as Countess of Wilton of Wilton Castle on 3 January 1898.
Children of Hon. Mariota Thellusson and Arthur George Egerton, 5th Earl of Wilton of Wilton Castle
- Seymour Edward Frederick Egerton, 6th Earl of Wilton of Wilton Castle+2 b. 1 Aug 1896, d. 12 Oct 1927
- Hon. George Arthur Egerton2 b. 25 Jan 1898, d. 17 Nov 1947
- Hon. Mary Cecilia Egerton+2 b. 10 May 1901
Arthur George Egerton, 5th Earl of Wilton of Wilton Castle1 
He succeeded as the 5th Earl of Wilton of Wilton Castle, co. Hereford [U.K., 1801] on 3 January 1898.1 He succeeded as the 5th Viscount Grey de Wilton [U.K., 1801] on 3 January 1898.1 He was awarded the Territorial Decoration (T.D.)1
Children of Arthur George Egerton, 5th Earl of Wilton of Wilton Castle and Hon. Mariota Thellusson
- Seymour Edward Frederick Egerton, 6th Earl of Wilton of Wilton Castle+1 b. 1 Aug 1896, d. 12 Oct 1927
- Hon. George Arthur Egerton1 b. 25 Jan 1898, d. 17 Nov 1947
- Hon. Mary Cecilia Egerton+1 b. 10 May 1901
Lady Elizabeth Stratford1 
From 28 February 1797, her married name became Halliday.2 From 4 July 1821, her married name became Tollemache.
Children of Lady Elizabeth Stratford and Admiral John Richard Delap Tollemache
- Marcia Tollemache+ d. 27 Dec 1868
- Georgiana Tollemache d. 17 Oct 1901
- Charlotte Tollemache+3 d. 14 Apr 1837
- Emily Halliday4 d. 3 Dec 1821
- Selina Tollemache+ d. 15 Dec 1893
- Jane Halliday4 d. 1821
- Marianne Tollemache+4 d. 24 Jul 1880
- unknown daughter Tollemache2
- Elizabeth Jane Henrietta Halliday1 b. 8 Dec 1797, d. 15 Jul 1858
- John Tollemache, 1st Baron Tollemache of Helmingham+ b. 7 Dec 1805, d. 9 Dec 1890
- Wilbraham Spencer Tollemache+4 b. 3 Oct 1807, d. 15 Feb 1890
- William Augustus Tollemache4 b. 23 Nov 1817, d. 4 Feb 1911
- [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 III, page 17. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 3, page 3911. See link for full details for this source. Hereinafter cited as. [S37]
- [S39] Marquis of Ruvigny and Raineval, The Blood Royal of Britain: Tudor Roll (Baltimore, MD, USA: Genealogical Publishing Company, 1994), page 23. Hereinafter cited as The Blood Royal of Britain: Tudor Roll.
- [S37] BP2003. [S37]
Lt.-Col. Bernard Frederic Trench1 
He gained the rank of Lieutenant-Colonel in the Royal Marines.1 He fought in the Second World War.1
- [S8] BP1999 volume 1, page 124. See link for full details for this source. Hereinafter cited as. [S8]
