Mary Hermione Grenfell1 
Her married name became Waldegrave. After her marriage, Mary Hermione Grenfell was styled as Countess Waldegrave on 30 December 1936.
Children of Mary Hermione Grenfell and Geoffrey Noel Waldegrave, 12th Earl Waldegrave
- Lady Sarah Caroline Waldegrave+2 b. 23 Oct 1931
- Lady Jane Mary Waldegrave+2 b. 25 Jan 1934, d. 6 May 2019
- Lady Elizabeth Jeronima Waldegrave+2 b. 4 Apr 1936, d. 19 Feb 2003
- Lady Anne Hermione Waldegrave2 b. 24 Dec 1937
- Lady Susan Katharine Waldegrave+2 b. 1 May 1939
- James Sherbroke Waldegrave, 13th Earl Waldegrave+2 b. 8 Dec 1940
- William Arthur Waldegrave, Baron Waldegrave of North Hill+2 b. 15 Aug 1946
James Sherbroke Waldegrave, 13th Earl Waldegrave
He was educated at Eton College, Windsor, Berkshire, England.1 He was educated at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England.1 He succeeded as the 13th Viscount Chewton, co. Somerset [G.B., 1729] in 1995.2 He succeeded as the 13th Earl Waldegrave, co. Northampton [G.B., 1729] in 1995.2 He succeeded as the 17th Baronet Waldegrave, of Hever Castle, Kent [E., 1643]] in 1995.2 He succeeded as the 14th Baron Waldegrave of Chewton, co. Somerset [E., 1686] in 1995.2 He was manager of a cheese-making business.1
Children of James Sherbroke Waldegrave, 13th Earl Waldegrave and Mary Alison Anthea Furness
- Edward Robert Waldegrave, Viscount Chewton3 b. 10 Oct 1986
- Hon. Robert Arthur Riversdale Waldegrave3 b. 1989
Irene Dorothy Andrews1
She was registered as a State Registered Nurse (S.R.N.)1 From 1976, her married name became Heywood Jones.1
Children of Irene Dorothy Andrews and Llewellyn Heywood Jones
- Perena Heywood Jones1 b. 1978
- Benjamin John Heywood Jones+1 b. 1980
- [S8] BP1999 volume 1, page 82. See link for full details for this source. Hereinafter cited as. [S8]
Lady Anne Keith1 
From before 1719, her married name became Stewart.
Children of Lady Anne Keith and Alexander Stewart, 6th Earl of Galloway
- Alexander Stewart1
- James Stewart1
- unknown son Stewart1
- Lady Mary Stewart+1 b. 1720, d. 10 Apr 1751
John Maurice Andrews1
Child of John Maurice Andrews
- [S8] BP1999 volume 1, page 82. See link for full details for this source. Hereinafter cited as. [S8]
Lady Charlotte Mary Greville1 
Her married name became Stewart.
Children of Lady Charlotte Mary Greville and John Stewart, 7th Earl of Galloway
Benjamin John Heywood Jones1
Children of Benjamin John Heywood Jones and Lucy Ann Bonnar
- Maximilian Heywood Jones2 b. 15 Feb 2016
- Isabella Heywood Jones3 b. 23 Nov 2017
- [S8] BP1999 volume 1, page 82. See link for full details for this source. Hereinafter cited as. [S8]
- [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.
Hon. Isabella Byron1 
After her marriage, Hon. Isabella Byron was styled as Countess of Carlisle on 8 June 1743. From 8 June 1743, her married name became Howard. From 10 December 1759, her married name became Musgrave.
Children of Hon. Isabella Byron and Henry Howard, 4th Earl of Carlisle
- unknown daughter Howard3
- unknown daughter Howard3
- unknown daughter Howard3
- Lady Elizabeth Howard+4 b. 1746, d. 1813
- Frederick Howard, 5th Earl of Carlisle+3 b. 28 May 1748, d. 4 Sep 1825
- [S37] BP2003 volume 1, page 631. See link for full details for this source. Hereinafter cited as. [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 III, page 36. Hereinafter cited as The Complete Peerage.
- [S37] BP2003. [S37]
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
Dudley Ryder, 2nd Earl of Harrowby1 
He was educated at Christ Church, Oxford University, Oxford, Oxfordshire, EnglandG.1 He held the office of Member of Parliament (M.P.) (Tory) for Tiverton between 1819 and 1831.1 He was awarded the honorary degree of Doctor of Civil Law (D.C.L.)1 He held the office of Member of Parliament (M.P.) for Liverpool between 1831 and 1847.1 He was appointed Fellow, Royal Society (F.R.S.)1 He succeeded as the 2nd Earl of Harrowby, co. Lincoln [U.K., 1809] on 26 December 1847.1 He succeeded as the 3rd Baron Harrowby, of Harrowby, co. Lincoln [G.B., 1776] on 26 December 1847.1 He succeeded as the 2nd Viscount Sandon, of Sandon, co. Stafford [U.K., 1809] on 26 December 1847.1 He held the office of Chancellor of the Duchy of Lancaster in 1855.1 He was appointed Privy Counsellor (P.C.) in 1855.1 He held the office of Lord Privy Seal between 1855 and 1857.1 He was appointed Knight, Order of the Garter (K.G.) in 1859.1
Children of Dudley Ryder, 2nd Earl of Harrowby and Lady Frances Stuart
- Dudley Francis Stuart Ryder, 3rd Earl of Harrowby1 b. 16 Jan 1831, d. 26 Mar 1900
- Henry Ryder, 4th Earl of Harrowby+1 b. 3 May 1836, d. 11 Dec 1900
Lady Lorna Theresa Ramsay1
From 12 November 2005, her married name became Lefebvre.2
Children of Lady Lorna Theresa Ramsay and Fergus Lefebvre
- Archie James Lefebvre2 b. 26 Apr 2007
- Henry Paul Lefebvre4 b. 18 Sep 2008
- Ned Fergus Lefebvre b. 2011
- [S37] BP2003 volume 1, page 1018. 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.
- [S3182] Isabelle Maltais, “re: van Oranje-Nassau,” e-mail message to BENR, 6 June 2008. Hereinafter cited as “re: van Oranje-Nassau.”
- [S3719] Lorna Lefebvre, “re: Lefebvre Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 15 April 2009. Hereinafter cited as “re: Lefebvre Family.”
