Henry David Reginald Margesson, 1st Viscount Margesson1 
He was educated at Harrow School, Harrow, London, England.1 He was educated at Magdalene College, Cambridge University, Cambridge, Cambridgeshire, England.1 He gained the rank of Captain in the 11th Hussars.1 He fought in the First World War.1 He was awarded the Military Cross (M.C.)1 He held the office of Member of Parliament (M.P.) (Unionist) for West Ham Upton between 1922 and 1923.1 He held the office of Member of Parliament (M.P.) (Unionist) for Rugby between 1924 and 1942.1 He held the office of Junior Lord of the Treasury between 1926 and 1929.1 He held the office of Junior Lord of the Treasury between August 1931 and October 1931.1 He was appointed Privy Counsellor (P.C.) in 1933.1 He held the office of Secretary of State, War between 1940 and 1942.1 He was director of International Nickel between 1942 and 1960.1 He was created 1st Viscount Margesson, of Rugby, co. Warwick [U.K.] on 27 April 1942.2
Children of Henry David Reginald Margesson, 1st Viscount Margesson and Frances Howard Leggett
- Hon. Janet Hampden Margesson+1 b. Mar 1918, d. 6 Jun 1968
- Hon. Mary Gay Hobart Margesson+3 b. 3 May 1919, d. 14 Mar 2017
- Francis Vere Hampden Margesson, 2nd Viscount Margesson+2 b. 17 Apr 1922, d. 11 Nov 2014
Frances Howard Leggett1 
Her married name became Margesson. After her marriage, Frances Howard Leggett was styled as Viscountess Margesson on 27 April 1942.
Children of Frances Howard Leggett and Henry David Reginald Margesson, 1st Viscount Margesson
- Hon. Janet Hampden Margesson+2 b. Mar 1918, d. 6 Jun 1968
- Hon. Mary Gay Hobart Margesson+2 b. 3 May 1919, d. 14 Mar 2017
- Francis Vere Hampden Margesson, 2nd Viscount Margesson+3 b. 17 Apr 1922, d. 11 Nov 2014
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
- [S37] BP2003 volume 2, page 2616. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
Francis Howard Leggett 
He lived at New York, U.S.A.G.
Child of Francis Howard Leggett and Elizabeth McLeod
- Frances Howard Leggett+ b. 30 Nov 1896, d. Feb 1977
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Francis Vere Hampden Margesson, 2nd Viscount Margesson1 
He was educated at Eton College, Windsor, Berkshire, England.1 He fought in the Second World War.1 He gained the rank of Sub-Lieutenant in the Royal Naval Volunteer reserve.1 He was educated at Trinity College, Oxford University, Oxford, Oxfordshire, England.1 He was Aide-de-Camp to the Governor of Bahamas in 1956.1 He was information officer, British Consultate-General between 1964 and 1970 at New York City, New York, U.S.A.1 He succeeded as the 2nd Viscount Margesson, of Rugby, co. Warwick [U.K., 1942] on 24 December 1965.1
Children of Francis Vere Hampden Margesson, 2nd Viscount Margesson and Helena Backstrom
- Richard Francis David Margesson, 3rd Viscount Margesson+1 b. 25 Dec 1960
- Hon. Sarah Helena Margesson1 b. 18 Oct 1963
- Hon. Jane Henrietta Margesson1 b. 20 Oct 1965
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
- [S7344] Roselle Margesson, “re: Margesson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 21 November 2014. Hereinafter cited as “re: Margesson Family.”
Helena Backstrom
Her married name became Margesson. After her marriage, Helena Backstrom was styled as Viscountess Margesson on 24 December 1965.
Children of Helena Backstrom and Francis Vere Hampden Margesson, 2nd Viscount Margesson
- Richard Francis David Margesson, 3rd Viscount Margesson+1 b. 25 Dec 1960
- Hon. Sarah Helena Margesson1 b. 18 Oct 1963
- Hon. Jane Henrietta Margesson1 b. 20 Oct 1965
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
Richard Francis David Margesson, 3rd Viscount Margesson
He was educated at St. Paul’s School, Concord, New Hampshire, U.S.A.G.2 He was educated at Eton College, Windsor, Berkshire, England.2 He was educated at Exeter University, Exeter, Devon, EnglandG.2 He gained the rank of Major in 1983 in the Coldstream Guards.2 He succeeded as the 3rd Viscount Margesson, of Rugby, co. Warwick [U.K., 1942] on 11 November 2014.3
Child of Richard Francis David Margesson, 3rd Viscount Margesson and Wendy Maree Hazelton
- Isabel Ruth Virginia Margesson1 b. 28 Jun 1995
- [S6807] Wendy Hazelton, “re: Margesson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 September 2013. Hereinafter cited as “re: Margesson Family.”
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
- [S7344] Roselle Margesson, “re: Margesson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 21 November 2014. Hereinafter cited as “re: Margesson Family.”
Heikki Backstrom1
Child of Heikki Backstrom
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Sarah Helena Margesson1
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Jane Henrietta Margesson1
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
