Lady Algitha Frederica Mary Lumley1 
Her married name became Orde-Powlett. After her marriage, Lady Algitha Frederica Mary Lumley was styled as Baroness Bolton of Bolton Castle on 7 November 1895.
Children of Lady Algitha Frederica Mary Lumley and William Thomas Orde-Powlett, 4th Baron Bolton of Bolton Castle
- Lt.-Col. William George Algar Orde-Powlett, 5th Baron Bolton of Bolton Castle+2 b. 21 Aug 1869, d. 11 Dec 1944
- Algitha Alkenda Brenda Orde-Powlett3 b. 29 Jun 1871, d. 3 Nov 1871
- Rhoda Lelia Alice Orde-Powlett3 b. 8 Jun 1875, d. 15 Jul 1890
- Hon. Myra Rowena Sibell Orde-Powlett+3 b. 22 Dec 1879, d. 27 Oct 1973
- [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.
- [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 98. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S37] BP2003 volume 1, page 421. See link for full details for this source. Hereinafter cited as. [S37]
Diana Mary Henderson1 
From 2 July 1931, her married name became Forbes.2 From 12 December 1946, her married name became Cecil.2 After her marriage, Diana Mary Henderson was styled as Marchioness of Exeter on 6 August 1956.
Children of Diana Mary Henderson and Lt.-Col. David Walter Arthur William Forbes
- Rosemary Davina Forbes+
- Anthony David Arnold William Forbes+ b. 1938, d. 19 Feb 2017
Child of Diana Mary Henderson and David George Brownlow Cecil, 6th Marquess of Exeter
- Lady Victoria Diana Cecil+2 b. 28 Jun 1947
Lt.-Col. David Walter Arthur William Forbes1

He fought in the Second World War. He gained the rank of Captain in the Coldstream Guards.3 He was awarded the Military Cross (M.C.)3
Children of Lt.-Col. David Walter Arthur William Forbes and Diana Mary Henderson
- Rosemary Davina Forbes+3
- Anthony David Arnold William Forbes+3 b. 1938, d. 19 Feb 2017
- [S37] BP2003 volume 1, page 1390. 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.
- [S37] BP2003. [S37]
Hon. Arnold Henderson1 
He gained the rank of Captain in the Wiltshire Yeomanry.2 He was awarded the Territorial Decoration (T.D.)2 He was appointed Officer, Order of the British Empire (O.B.E.) in 1919.2
Children of Hon. Arnold Henderson and Helen Madeline Gordon
- Roger Arnold Henderson+2 b. 22 Jun 1909, d. 23 Nov 1941
- Diana Mary Henderson+1 b. 10 Jan 1911, d. 6 Jun 1982
- John Alexander Arnold Henderson2 b. 24 Mar 1913, d. 11 Sep 1944
- Rachel Daphne Henderson+2 b. 12 Apr 1916
William Martin Alleyne Cecil, 7th Marquess of Exeter1 

Marriage, 17 January 1934 2
William Martin Alleyne Cecil, 7th Marquess of Exeter was born on 27 April 1909.1 He was the son of William Thomas Brownlow Cecil, 5th Marquess of Exeter and Hon. Myra Rowena Sibell Orde-Powlett.1 He married, firstly, Edith Lilian Csanady de Telegd, daughter of Aurel Csanady de Telegd, on 17 January 1934.1 He married, secondly, Lillian Jane Johnson, daughter of Roy Peter Kopf Hohnson, on 3 September 1954.1 He died in 1988.1
William Martin Alleyne Cecil, 7th Marquess of Exeter usually went by his middle name of Martin.1 He was educated at Royal Naval College, Dartmouth, Devon, EnglandG.1 He gained the rank of Sub-Lieutenant in the Royal Navy.1 He wrote the book Being Where You Are, published 1974.1 He wrote the book On Eagles’ Wings, published 1977 (ASIN: 0705102580.)1 He succeeded as the 7th Marquess of Exeter [U.K., 1801] on 21 October 1981.1 He succeeded as the 16th Earl of Exeter [E., 1605] on 21 October 1981.1 He succeeded as the 17th Baron of Burghley, co. Northampton [E., 1571] on 21 October 1981.1 He wrote the book Beyond Belief, published 1986 (ASIN: 0935427139.)1
Child of William Martin Alleyne Cecil, 7th Marquess of Exeter and Edith Lilian Csanady de Telegd
- William Michael Anthony Cecil, 8th Marquess of Exeter+3 b. 1 Sep 1935
Children of William Martin Alleyne Cecil, 7th Marquess of Exeter and Lillian Jane Johnson
- Lady Marina June Cecil+1 b. 16 Jun 1956
- Janine Dawn Cecil1 b. 12 Jan 1958, d. 3 May 1958
Helena Schilizzi
- [S37] BP2003 volume 3, page 4035. See link for full details for this source. Hereinafter cited as. [S37]
Frederic Corin Piers Thesiger, 4th Viscount Chelmsford1
Frederic Corin Piers Thesiger, 4th Viscount Chelmsford also went by the nick-name of Kim.4 He was educated at Sherborne School, Sherborne, Dorset, EnglandG.1 He succeeded as the 4th Viscount Chelmsford, of Chelmsford, co. Essex [U.K., 1921] in 1999.1 He succeeded as the 6th Baron Chelmsford of Chelmsford, co. Essex [U.K., 1858] in 1999.1 He lived in 2003 at 4/4 Hampstead Hill Gardens, London, EnglandG.1
Child of Frederic Corin Piers Thesiger, 4th Viscount Chelmsford and Charlotte S. M. J. Robin
- Hon. Frederic Thesiger4 b. 9 Feb 2006
- [S37] BP2003 volume 1, page 758. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S466] Notices, The Telegraph, London, UK, 29 March 2006. Hereinafter cited as The Telegraph.
Lady Letitia Sibell Winifred Cecil1 

Lady Letitia Sibell Winifred Cecil was born on 20 November 1903.1 She was the daughter of William Thomas Brownlow Cecil, 5th Marquess of Exeter and Hon. Myra Rowena Sibell Orde-Powlett.1 She married Henry Frederick Hotham, 7th Baron Hotham of South Dalton, son of Henry Edward Hotham and Ethel Lindsay Wood, on 16 December 1937.1 She died on 21 July 1992 at age 88 at Dalton Hall, Dalton Holme, Yorkshire, EnglandG, following an accident.3
Lady Letitia Sibell Winifred Cecil usually went by her middle name of Winifred.4 She was a mezzo-soprano with the D’Oyley Carte and Carla Rosa opera company.4 She held the office of Lady-in-Waiting to HRH The Duchess of Gloucester between 1935 and 1937.4 After her marriage, Lady Letitia Sibell Winifred Cecil was styled as Baroness Hotham of South Dalton on 16 December 1937. From 16 December 1937, her married name became Hotham.
Children of Lady Letitia Sibell Winifred Cecil and Henry Frederick Hotham, 7th Baron Hotham of South Dalton
- Hon. Geoffrey Frederick William Hotham5 b. 26 Jan 1939, d. 27 Jan 1939
- Hon. Robert Hotham5 b. 26 Jan 1939, d. 26 Jan 1939
- Henry Durand Hotham, 8th Baron Hotham of South Dalton+5 b. 3 May 1940
- Hon. John Francis Hotham5 b. 18 Jun 1942, d. 17 Sep 1944
- Hon. Peter William Hotham+5 b. 10 Mar 1944
- Hon. Nicholas Charles Frederick Hotham+5 b. 3 Jun 1947, d. 21 Sep 2012
- [S37] BP2003 volume 1, page 1365. See link for full details for this source. Hereinafter cited as. [S37]
- [S300] Michael Rhodes, “re: Ernest Fawbert Collection,” e-mail message to BENR, 8 February. Hereinafter cited as “re: Ernest Fawbert Collection.”
- [S205] Announcements, Yorkshire Post, Leeds, Yorkshire, U.K., 25 July 1992. Hereinafter cited as Yorkshire Post.
- [S466] Notices, The Telegraph, London, UK, 4 August 1992. Hereinafter cited as The Telegraph.
- [S37] BP2003. [S37]
Henry Frederick Hotham, 7th Baron Hotham of South Dalton1 
He was educated at Winchester College, Winchester, Hampshire, EnglandG.1 He was educated at Royal Military College, Sandhurst, Berkshire, England.1 He succeeded as the 7th Baron Hotham of South Dalton [I., 1797] on 7 October 1923.2 He succeeded as the 17th Baronet Hotham [E., 1622] on 7 October 1923.2 He held the office of Deputy Lieutenant (D.L.) of the East Riding, Yorkshire.1 He held the office of Justice of the Peace (J.P.) for the East Riding, Yorkshire.1 He was appointed Commander, Order of the British Empire (C.B.E.)1
Children of Henry Frederick Hotham, 7th Baron Hotham of South Dalton and Lady Letitia Sibell Winifred Cecil
- Hon. Geoffrey Frederick William Hotham1 b. 26 Jan 1939, d. 27 Jan 1939
- Hon. Robert Hotham1 b. 26 Jan 1939, d. 26 Jan 1939
- Henry Durand Hotham, 8th Baron Hotham of South Dalton+2 b. 3 May 1940
- Hon. John Francis Hotham1 b. 18 Jun 1942, d. 17 Sep 1944
- Hon. Peter William Hotham+1 b. 10 Mar 1944
- Hon. Nicholas Charles Frederick Hotham+1 b. 3 Jun 1947, d. 21 Sep 2012
Lady Romayne Elizabeth Algitha Cecil1 
She was with the Voluntary Aid Detachment during the Second World War.2 Her married name became Brassey. She was appointed Officer, Order of the British Empire (O.B.E.) in 1986.2
Children of Lady Romayne Elizabeth Algitha Cecil and Major Hon. Peter Esmé Brassey
- Rowena Jane Brassey+1 b. 6 Nov 1945
- Henry Charles Brassey+1 b. 22 Jul 1947
- Richard Edwin Brassey+1 b. 8 Oct 1949