Lt.-Col. Rt. Hon. Herbert Henry Spender Clay1 
Lt.-Col. Rt. Hon. Herbert Henry Spender Clay was born on 4 June 1875.3 He was the son of Joseph Spender Clay and Elizabeth Sydney Jane Garrett.4 He married Hon. Pauline Astor, daughter of William Waldorf Astor, 1st Viscount Astor and Mary Dahlgren Paul, on 29 October 1904.1 He died on 15 February 1937 at age 61 at Dormansland, Essex, England.2
He held the office of Deputy Lieutenant (D.L.) of Surrey.2 He held the office of Member of Parliament (M.P.) between 1910 and 1937.1 He was awarded the Military Cross (M.C.)1 He was appointed Privy Counsellor (P.C.) in 1929.1 He held the office of Justice of the Peace (J.P.) for Surrey.2 He was appointed Companion, Order of St. Michael and St. George (C.M.G.)1 He lived at Ford Manor, Lingfield, Surrey, EnglandG.
Children of Lt.-Col. Rt. Hon. Herbert Henry Spender Clay and Hon. Pauline Astor
- Phyllis Mary Spender Clay2 b. 4 Oct 1905
- Rachel Pauline Spender Clay+ b. c 1907, d. 21 Jan 1996
- Sybil Gwendoline Spender Clay2 b. 25 Mar 1910, d. 3 Mar 1912
- [S8] BP1999 volume 1, page 131. See link for full details for this source. Hereinafter cited as. [S8]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S1600] Robin Baden Clay, “re: Clay Family,” e-mail message to BENR, 2 February 2006. Hereinafter cited as “re: Clay Family.”
- [S3503] Veronica Countess of Lucan, “re: Duncan Family,” e-mail message to BENR, 13 January 2009. Hereinafter cited as “re: Duncan Family.”
Katherine Juliet Bowes-Lyon1 
She lived between 1941 and 1986 at Royal Earlswood Hospital, Surrey, EnglandG.4
She was mentally impaired from birth.4
Burkes Peerage had erroneously reported her as having died in 1961.4
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
- [S37] BP2003 volume 3, page 3784. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org, reference “Katherine Bowes-Lyon”. Hereinafter cited as Wikipedia.
Hon. Charlotte Maria Barrington1 
After her marriage, Hon. Charlotte Maria Barrington was styled as Countess of Strathmore and Kinghorne on 30 April 1850. From 30 April 1850, her married name became Lyon-Bowes.
- [S37] BP2003 volume 3, page 3782. See link for full details for this source. Hereinafter cited as. [S37]
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
- [S34] BP1970 page 188. See link for full details for this source. Hereinafter cited as. [S34]
Mary Elizabeth Walsh1 
Her married name became Carpenter.1
Child of Mary Elizabeth Walsh and George Carpenter
- Mary Elizabeth Louisa Rodney Carpenter+ b. 1 Jan 1783, d. 1 Jun 1811
Eliza Northcote1
From 1812, her married name became Lyon-Bowes.
Child of Eliza Northcote and Thomas Lyon-Bowes, 11th Earl of Strathmore and Kinghorne
- Lady Sarah Eliza Lyon-Bowes1 d. 6 Jun 1847
- [S37] BP2003 volume 3, page 3782. See link for full details for this source. Hereinafter cited as. [S37]
Marianna Cheape1 
Her married name became Campbell.1 From 8 December 1817, her married name became Lyon-Bowes. After her marriage, Marianna Cheape was styled as Countess of Strathmore and Kinghorne on 3 July 1820.
- [S37] BP2003 volume 3, page 3782. See link for full details for this source. Hereinafter cited as. [S37]
Alexandre Tissot-Demidoff1
Children of Alexandre Tissot-Demidoff and Catherine Ann Menne
- Simone Marie Tissot-Demidoff1 b. 28 Oct 1987
- Pierre Alexandre Tissot-Demidoff1 b. 16 Aug 1990
- [S1015] Alexandre Tissot Demidoff, “re: Demidoff Family,” e-mail message to British and European Nobility Register, 20 August 2003 and 10 February 2004. Hereinafter cited as “re: Demidoff Family email.”
Rt. Hon. Sir William Hutt1 
He held the office of Member of Parliament (M.P.) for Gateshead.1 He was Paymaster-General.1 He was Vice-President of the Board of Trade.1 He was appointed Knight Commander, Order of the Bath (K.C.B.)1
Mary Gilbert 
From June 1743, her married name became Bowes.1
Child of Mary Gilbert and George Bowes
- Mary Eleanor Bowes+1 b. 24 Feb 1749, d. 28 Apr 1800
- [S351] Oxford Dictionary of National Biography, online http://www.oxforddnb.com. Hereinafter cited as Oxford Dictionary of National Biography.
Thomas Lyon, 8th Earl of Strathmore and Kinghorne1 
He held the office of Member of Parliament (M.P.) for Forfarshire from 1734 to 1735.1 He succeeded as the 8th Earl of Strathmore and Kinghorne [S., 1677] on 4 January 1735.1 He succeeded as the 8th Lord Lyon and Glamis [S., 1606] on 4 January 1735.1 He succeeded as the 15th Lord Glamis [S., 1445] on 4 January 1735.1
Children of Thomas Lyon, 8th Earl of Strathmore and Kinghorne and Jean Nicholson
- Lady Susan Lyon+2 d. 26 Feb 1769
- Lady Anne Lyon+1 d. 20 Mar 1821
- Lady Jane Lyon1 d. 22 Aug 1836
- John Bowes, 9th Earl of Strathmore and Kinghorne+1 b. 17 Jul 1737, d. 7 Mar 1776
- Hon. James Philip Lyon1 b. 2 Jul 1738, d. c 1763
- Hon. Thomas Lyon+1 b. c 1741, d. 13 Sep 1796
- Lady Mary Lyon1 b. c 1749, d. 22 May 1767
