Sybil Venetia Taylor1 
She was educated at Oxford University, Oxford, Oxfordshire, EnglandG.1 Sybil Venetia Taylor usually went by her middle name of Venetia.3 After her marriage, Sybil Venetia Taylor was styled as Countess of Cotterham on 19 January 1927. From 19 January 1927, her married name became Pepys.1 From 29 July 1939, her married name became Courtenay.2 After her marriage, Sybil Venetia Taylor was styled as Countess of Devon on 29 July 1939.
Children of Sybil Venetia Taylor and Mark Everard Pepys, 6th Earl of Cottenham
- Lady Rose Edith Idina Pepys3 b. 5 Nov 1927, d. 28 Apr 2021
- Lady Paulina Mary Louise Pepys3 b. 14 Jun 1930, d. 25 Sep 2017
Children of Sybil Venetia Taylor and Charles Christopher Courtenay, 17th Earl of Devon
- Lady Katherine Felicity Courtenay+3 b. 22 Oct 1940, d. 10 Oct 2015
- Hugh Rupert Courtenay, 18th Earl of Devon+3 b. 5 May 1942, d. 18 Aug 2015
- [S37] BP2003 volume 1, page 911. See link for full details for this source. Hereinafter cited as. [S37]
- [S126] George Snell, online unknown url, George Snell (No longer available online), downloaded 29 August 2005.
- [S37] BP2003. [S37]
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 210. Hereinafter cited as The Complete Peerage, Volume XIV.
Marguerite Silva1 
Her married name became Courtenay. After her marriage, Marguerite Silva was styled as Countess of Devon on 8 February 1935.
Children of Marguerite Silva and Reverend Frederick Leslie Courtenay, 16th Earl of Devon
- Lady Evelyn Frances Courtenay+1 b. 30 Jun 1908, d. 1985
- Lady Mary Elizabeth Courtenay1 b. 15 Jan 1910, d. 2000
- Lady Marguerite Kathleen Courtenay+1 b. 15 Feb 1911, d. 21 Nov 2003
- Lady Camilla Gabrielle Courtenay1 b. 9 Apr 1913, d. 26 Jun 2010
- Henry John Baldwin Courtenay1 b. 1 Apr 1915, d. 15 Apr 1915
- Charles Christopher Courtenay, 17th Earl of Devon+1 b. 18 Jul 1916, d. 19 Nov 1998
- Lady Angela Leslie Courtenay+1 b. 7 Sep 1918, d. 30 May 2008
- [S37] BP2003 volume 1, page 1125. See link for full details for this source. Hereinafter cited as. [S37]
John Silva1
Child of John Silva
- Marguerite Silva+1 d. 4 May 1950
- [S37] BP2003 volume 1, page 1125. See link for full details for this source. Hereinafter cited as. [S37]
Dianna Frances Watherston1
From 9 September 1967, her married name became Courtenay.2 After her marriage, Dianna Frances Watherston was styled as Countess of Devon on 19 November 1998.
Children of Dianna Frances Watherston and Hugh Rupert Courtenay, 18th Earl of Devon
- Lady Rebecca Eildon Courtenay+1 b. 8 Apr 1969
- Lady Eleonora Venetia Courtenay1 b. 24 May 1971
- Lady Camilla Mary Courtenay1 b. 23 Jun 1974
- Charles Peregrine Courtenay, 19th Earl of Devon+1 b. 14 Aug 1975
Charles Peregrine Courtenay, 19th Earl of Devon1
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He graduated from St. John’s College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1997 with a Bachelor of Arts (B.A.)1 He was styled as Lord Courtenay between 1998 and 2015.1 He was admitted to Inner Temple in 1999 entitled to practise as a barrister.1 He graduated from St. John’s College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 2001 with a Master of Arts (M.A.)1 He succeeded as the 19th Earl of Devon [E., 1553] on 18 August 2015.3 He succeeded as the 15th Baronet Courtenay [E., 1645] on 18 August 2015.3
Children of Charles Peregrine Courtenay, 19th Earl of Devon and Allison Joy Langer
- Lady Joscelyn Skye Courtenay2 b. 31 Jan 2007
- Jack Haydon Langer Courtenay, Lord Courtenay2 b. 16 Aug 2009
- [S37] BP2003 volume 1, page 1121. See link for full details for this source. Hereinafter cited as. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Jack G. Watherston1
Child of Jack G. Watherston
- [S37] BP2003 volume 1, page 1121. See link for full details for this source. Hereinafter cited as. [S37]
Thomas Howard, 2nd Earl of Effingham1 
He succeeded as the 2nd Earl of Effingham, co. Surrey [G.B., 1731] on 12 February 1742/43.1 He succeeded as the 9th Baron Howard of Effingham, co. Surrey [E., 1554] on 12 February 1742/43.1 He held the office of Deputy Earl Marshal.1
Children of Thomas Howard, 2nd Earl of Effingham and Elizabeth Beckford
- Lady Elizabeth Howard+2 d. 31 Oct 1815
- Lady Maria Howard+3 d. 14 Mar 1836
- unknown daughter Howard1
- Thomas Howard, 3rd Earl of Effingham1 b. 13 Jan 1746, d. 19 Nov 1791
- Richard Howard, 4th Earl of Effingham1 b. 21 Feb 1747/48, d. 10 Dec 1816
- [S37] BP2003 volume 1, page 1277. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [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 217. Hereinafter cited as The Complete Peerage.
Elizabeth Ruth Middleton Scott1 
After her marriage, Elizabeth Ruth Middleton Scott was styled as Countess of Devon on 30 January 1849. From 30 January 1849, her married name became Courtenay.
- [S37] BP2003 volume 1, page 1124. See link for full details for this source. Hereinafter cited as. [S37]
Reverend John Middleton Scott
He lived at Ballygannon, County Wicklow, IrelandG.1 He was also known as Reverend John Scott.2
Children of Reverend John Middleton Scott and Lady Arabella Barbara Brabazon
- Elizabeth Ruth Middleton Scott2 d. 17 Mar 1914
- Arabella Scott+ d. 26 Jan 1837
- Maj.-Gen. Edward William Smythe Scott+3
- [S37] BP2003 volume 2, page 2659. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S9260] James Jennings, “re: Napier Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 3 Feb 2021. Hereinafter cited as “re: Napier Family.”
Lady Arabella Barbara Brabazon1
Her married name became Middleton Scott.
Children of Lady Arabella Barbara Brabazon and Reverend John Middleton Scott
- Elizabeth Ruth Middleton Scott d. 17 Mar 1914
- Arabella Scott+ d. 26 Jan 1837
- Maj.-Gen. Edward William Smythe Scott+2
- [S37] BP2003 volume 2, page 2659. See link for full details for this source. Hereinafter cited as. [S37]
- [S9260] James Jennings, “re: Napier Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 3 Feb 2021. Hereinafter cited as “re: Napier Family.”