Evelyn Boscawen, 6th Viscount Falmouth1 
He succeeded as the 6th Viscount Falmouth, co. Cornwall [G.B., 1720] on 29 August 1852.1 He succeeded as the 6th Baron of Boscawen Rose, co. Cornwall [G.B., 1720] on 29 August 1852.2
Children of Evelyn Boscawen, 6th Viscount Falmouth and Mary Frances Elizabeth Stapleton, Baroness le Despenser
- Hon. Mary Elizabeth Frances Catherine Boscawen1 b. 1846, d. 21 Jan 1916
- Evelyn Edward Thomas Boscawen, 7th Viscount Falmouth+1 b. 24 Jul 1847, d. 1 Oct 1918
- Hon. Hugh le Despenser Boscawen1 b. 28 Feb 1849, d. 8 Apr 1908
- Hon. Edith Maria Boscawen1 b. 1851, d. 24 Sep 1906
- Hon. Mabel Emma Boscawen+1 b. 1855, d. 26 Oct 1927
- Hon. John Richard de Clare Boscawen+1 b. 19 Dec 1860, d. 12 Dec 1915
Mary Frances Elizabeth Stapleton, Baroness le Despenser1 
She succeeded as the 13th Baroness le Despenser [E., 1314] on 3 October 1831.2 Her married name became Boscawen.
Children of Mary Frances Elizabeth Stapleton, Baroness le Despenser and Evelyn Boscawen, 6th Viscount Falmouth
- Hon. Mary Elizabeth Frances Catherine Boscawen1 b. 1846, d. 21 Jan 1916
- Evelyn Edward Thomas Boscawen, 7th Viscount Falmouth+1 b. 24 Jul 1847, d. 1 Oct 1918
- Hon. Hugh le Despenser Boscawen1 b. 28 Feb 1849, d. 8 Apr 1908
- Hon. Edith Maria Boscawen1 b. 1851, d. 24 Sep 1906
- Hon. Mabel Emma Boscawen+1 b. 1855, d. 26 Oct 1927
- Hon. John Richard de Clare Boscawen+1 b. 19 Dec 1860, d. 12 Dec 1915
Hon. Thomas Stapleton1 
He lived at Grey’s Court, Henley-on-Thames, Oxfordshire, EnglandG.1 He lived at Mereworth Castle, Kent, EnglandG.1
Child of Hon. Thomas Stapleton and Maria Wynne Bankes
- Mary Frances Elizabeth Stapleton, Baroness le Despenser+1 d. 20 Nov 1891
- [S37] BP2003 volume 1, page 1385. See link for full details for this source. Hereinafter cited as. [S37]
Maria Wynne Bankes1 
Her married name became Stapleton.
Child of Maria Wynne Bankes and Hon. Thomas Stapleton
- Mary Frances Elizabeth Stapleton, Baroness le Despenser+1 d. 20 Nov 1891
- [S37] BP2003 volume 1, page 1385. See link for full details for this source. Hereinafter cited as. [S37]
Mark George Michael Hayhurst1
Children of Mark George Michael Hayhurst and Elizabeth Anne Sebag-Montefiore
- Orlando Henry Laurie Hayhurst1 b. 18 Oct 2014
- Frederick Percy Atticus Hayhurst2 b. 2 Jun 2017
- [S7498] Elizabeth Sebag-Montefiore, “re: Sebag-Montefiore Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 9 March 2015. Hereinafter cited as “re: Sebag-Montefiore Family.”
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Colonel Joseph Deane1 
He lived at Dangan, County Kilkenny, Ireland.3 He held the office of Member of Parliament (M.P.) for County Dublin.1 He lived at Terenure, County Dublin, IrelandG.1
Child of Colonel Joseph Deane
- [S37] BP2003 volume 1, page 681. See link for full details for this source. Hereinafter cited as. [S37]
- [S142] Bernard, Sir Burke, editor, Burke’s genealogical and heraldic history of the landed gentry of Ireland, 3rd ed. (London, U.K.: Burkes Peerage Ltd, 1912), page 169. Hereinafter cited as Landed Gentry of Ireland.
- [S47] BIFR1976 page 495. See link for full details for this source. Hereinafter cited as. [S47]
Rachel Meade1
Joseph William Lionel Petre, 17th Baron Petre1 
He succeeded as the 17th Baron Petre, of Writtle, co. Essex [E., 1603] on 30 September 1915.1 He was educated at Eton College, Windsor, Berkshire, England.1 He gained the rank of 2nd Lieutenant in the Coldstream Guards.1 He gained the rank of Captain in the 5th Battalion, Essex Regiment.1 He fought in the Second World War.1
Child of Joseph William Lionel Petre, 17th Baron Petre and Marguerite Eileen Hamilton
- John Patrick Lionel Petre, 18th Baron Petre+1 b. 4 Aug 1942
- [S37] BP2003 volume 3, page 3123. See link for full details for this source. Hereinafter cited as. [S37]
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
Marguerite Eileen Hamilton1 
After her marriage, Marguerite Eileen Hamilton was styled as Baroness Petre on 25 October 1941. From 25 October 1941, her married name became Petre.
Child of Marguerite Eileen Hamilton and Joseph William Lionel Petre, 17th Baron Petre
- John Patrick Lionel Petre, 18th Baron Petre+1 b. 4 Aug 1942
Ion Wentworth Hamilton1 
He lived at Nettlebed, Henley-on-Thames, Oxfordshire, EnglandG.1
Child of Ion Wentworth Hamilton
- Marguerite Eileen Hamilton+1 d. 15 Jun 2003
- [S37] BP2003 volume 3, page 3123. See link for full details for this source. Hereinafter cited as. [S37]
