Louisa Clements1 
Mary Isabella Clements1 
Catherine Clements1 
Sarah Anne Lucas-Clements1
- [S47] BIFR1976 page 246. See link for full details for this source. Hereinafter cited as. [S47]
Gertrude Caroline Lucy Markham1 
From 3 December 1868, her married name became Clements.
Children of Gertrude Caroline Lucy Markham and Henry Theophilus Clements
- Henry John Beresford Clements+2 b. 22 Oct 1869, d. 9 Jul 1940
- Alfred William Clements2 b. 29 Jan 1871, d. 3 Feb 1876
- Gertrude Mary Catharine Clements2 b. 27 Jun 1873, d. 20 Dec 1949
- Robert Markham Clements2 b. 6 Nov 1876, d. 13 Dec 1876
- Lt.-Col. Marcus Louis Stewart Clements+2 b. 29 Sep 1879, d. 17 Feb 1952
- Selina Margaret Maud Clements2 b. 4 May 1885, d. 1 May 1961
Henry John Beresford Clements1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He held the office of High Sheriff of County Cavan in 1891.1 He held the office of High Sheriff of County Leitrim in 1893.1 He held the office of Justice of the Peace (J.P.) for County Kildare.1 He held the office of Justice of the Peace (J.P.) for County Leitrim.1 He held the office of Deputy Lieutenant (D.L.) of County Leitrim.1 He lived at Lough Rynn, County Leitrim, IrelandG.1 He lived at Killadoon, County Kildare, IrelandG.1
Children of Henry John Beresford Clements and Eleonore Wickham
- Eleonore Mary Sophia Clements2 b. 24 Mar 1895, d. 5 Dec 1916
- Colonel Henry Theophilus Wickham Clements2 b. 12 Nov 1898, d. 6 Aug 1974
- Cecily Catharine Clements2 b. 12 Jan 1900
- Violet Gertrude Clements2 b. 2 Sep 1902
- Lt.-Col. Charles Marcus Lefvre Clements2 b. 4 Nov 1904, d. 1996
- Robert Nathaniel Clements2 b. 7 Jul 1910
Alfred William Clements1 
Robert Markham Clements1 
Lt.-Col. Marcus Louis Stewart Clements1 
He was educated at Harrow School, Harrow, London, EnglandG.1 He was educated at Trinity College, Oxford University, Oxford, Oxfordshire, EnglandG.1 He fought in the First World War, where he was wounded.1 He retired from the military in 1924, with the rank of Lieutenant-Colonel, late of the King’s Royal Rifle Corps.1 He lived at Ashfield Lodge, County Cavan, IrelandG.1
Children of Lt.-Col. Marcus Louis Stewart Clements and Wilhelmina Diana Lenox-Conyngham
- Marcus Henry Lenox-Conyngham Clements+2 b. 24 Apr 1935
- Catherine Dorinda Clements+2 b. 25 Feb 1937
Lt.-Col. William Arbuthnot Lenox-Conyngham1 

Lt.-Col. William Arbuthnot Lenox-Conyngham was born on 8 September 1857.3 He was the son of Colonel Sir William Fitzwilliam Lenox-Conyngham and Laura Calvert Arbuthnot.3 He married Mina Ethel Lowry, daughter of Colonel James Corry Jones Lowry and Elizabeth Jackson Greer, on 9 August 1899.3 He died on 20 April 1938 at age 80.3
He was educated at Fettes College, Edinburgh, Midlothian, ScotlandG.3 He was educated at Royal Military College, Sandhurst, Berkshire, EnglandG.3 He gained the rank of Lieutenant-Colonel in the Worcestershire Regiment.3 He held the office of Deputy Lieutenant (D.L.) of County Derry.3 He held the office of Justice of the Peace (J.P.) for County Derry.3 He fought in the Boer War between 1900 and 1901.3 He held the office of High Sheriff of County Derry in 1909.3 He fought in the First World War.3 He was appointed Officer, Order of the British Empire (O.B.E.) in 1918.3 He held the office of High Sheriff of County Tyrone in 1922.3 He lived at Springhill, County Londonderry, IrelandG.3
Children of Lt.-Col. William Arbuthnot Lenox-Conyngham and Mina Ethel Lowry
- Wilhelmina Diana Lenox-Conyngham+3 b. 9 May 1902
- William Lowry Lenox-Conyngham3 b. 20 Nov 1903, d. 5 Jun 1957
- James Desmond Lenox-Conyngham3 b. 20 May 1905, d. 25 Jul 1971
- [S47] BIFR1976 page 246. See link for full details for this source. Hereinafter cited as. [S47]
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S47] BIFR1976. [S47]