Rev. Hon. Cecil Brownlow Twisleton-Wykeham-Fiennes1 
He graduated with a Master of Arts (M.A.)1 He was the Rector at Hamstall Ridware, Staffordshire, EnglandG.1 He was the Rector at Ashow, Warwickshire, EnglandG.1
Children of Rev. Hon. Cecil Brownlow Twisleton-Wykeham-Fiennes and Maria Louisa Hardy
- Emily Cecilia Twisleton-Wykeham-Fiennes2 b. 24 Sep 1862, d. 9 Nov 1934
- Major Henry Edward Twisleton-Wykeham-Fiennes2 b. 3 Mar 1866, d. 12 Oct 1932
- Commander Cecil John Twisleton-Wykeham-Fiennes2 b. 8 Sep 1867, d. 22 Dec 1899
John Hardy1
Child of John Hardy
- Maria Louisa Hardy+2 d. 30 Jan 1871
Maria Louisa Hardy1 
From 17 December 1861, her married name became Twisleton-Wykeham-Fiennes.
Children of Maria Louisa Hardy and Rev. Hon. Cecil Brownlow Twisleton-Wykeham-Fiennes
- Emily Cecilia Twisleton-Wykeham-Fiennes2 b. 24 Sep 1862, d. 9 Nov 1934
- Major Henry Edward Twisleton-Wykeham-Fiennes2 b. 3 Mar 1866, d. 12 Oct 1932
- Commander Cecil John Twisleton-Wykeham-Fiennes2 b. 8 Sep 1867, d. 22 Dec 1899
Major Henry Edward Twisleton-Wykeham-Fiennes1 
He gained the rank of Captain in the 9th Lancers.1 He gained the rank of Major in the Royal East Kent Yeomanry.1
Commander Cecil John Twisleton-Wykeham-Fiennes1 
He gained the rank of Commander in the Royal Navy.1
Emily Cecilia Twisleton-Wykeham-Fiennes1 
Lt.-Col. Hon. Ivo de Vesci Edward Twisleton-Wykeham-Fiennes1 
He gained the rank of Lieutenant-Colonel in the 9th Lancers.1 He was appointed Companion, Order of the Bath (C.B.)1
Children of Lt.-Col. Hon. Ivo de Vesci Edward Twisleton-Wykeham-Fiennes and Isabella Emily Gregg
- Lieutenant Bertram Ralph Ivo Twisleton-Wykeham-Fiennes2 b. 20 Jun 1865, d. 9 Jul 1886
- Dorothy Margaret Isobel Twisleton-Wykeham-Fiennes2 b. 8 Jul 1868, d. 14 Nov 1961
- Eva Caroline Twisleton-Wykeham-Fiennes2 b. 1 Jul 1873, d. 18 Mar 1963
- Nathaniel Ivo Edward Twisleton-Wykeham-Fiennes+2 b. 28 Mar 1876, d. 29 Nov 1963
Isabella Emily Gregg1
From 26 July 1864, her married name became Twisleton-Wykeham-Fiennes. From 20 August 1902, her married name became Stock.1
Children of Isabella Emily Gregg and Lt.-Col. Hon. Ivo de Vesci Edward Twisleton-Wykeham-Fiennes
- Lieutenant Bertram Ralph Ivo Twisleton-Wykeham-Fiennes2 b. 20 Jun 1865, d. 9 Jul 1886
- Dorothy Margaret Isobel Twisleton-Wykeham-Fiennes2 b. 8 Jul 1868, d. 14 Nov 1961
- Eva Caroline Twisleton-Wykeham-Fiennes2 b. 1 Jul 1873, d. 18 Mar 1963
- Nathaniel Ivo Edward Twisleton-Wykeham-Fiennes+2 b. 28 Mar 1876, d. 29 Nov 1963
Lieutenant Bertram Ralph Ivo Twisleton-Wykeham-Fiennes1 
He gained the rank of Lieutenant in the 1st Battalion, South Staffordshire Regiment.1
Nathaniel Ivo Edward Twisleton-Wykeham-Fiennes1 
He was educated at Pembroke College, Cambridge University, Cambridge, Cambridgeshire, EnglandG.1 He fought in the First World War, in Mesopotamia and Palestine, and was mentioned in despatches.1 He was awarded the Distinguished Service Order (D.S.O.) in 1917.1 He gained the rank of Major in the Royal Artillery.1 He fought in the Mesopotamia Campaign in 1920, where he was wounded.1
Children of Nathaniel Ivo Edward Twisleton-Wykeham-Fiennes and Elizabeth Hill
- Idonea Cicely de Vesci Twisleton-Wykeham-Fiennes2 b. 31 Aug 1902, d. 29 Jan 1912
- Reverend Geoffrey Ivo Frederick Twisleton-Wykeham-Fiennes2 b. 1 Jan 1906, d. 1981
- Elizabeth Margaret Twisleton-Wykeham-Fiennes+2 b. 16 Feb 1916, d. c 1980