Lionel Aime Trench1 
William Launcelot Crosbie Trench1 
He was educated at The Leys School, Cambridge, Cambridgeshire, EnglandG.1 He graduated from Trinity College, Dublin University, Dublin, County Dublin, IrelandG, in 1904 with a Bachelor of Arts (B.A.)1 He was registered as a Member, Institution of Civil Engineers (M.I.C.E.)1 He was the Chief Engineer for Sind.1 He was appointed Companion, Order of the Indian Empire (C.I.E.) in 1936.1
Children of William Launcelot Crosbie Trench and Margaret Zephanie Huddleston
- Lt.-Col. George Shan Crosbie Trench+1 b. 6 Aug 1913, d. 8 Apr 1995
- Lt.-Col. Sir David Clive Crosbie Trench+1 b. 2 Jun 1915, d. 4 Dec 1988
- Ruth Zephanie Charlotte Trench1 b. 5 Jan 1918, d. 3 Aug 1918
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Margaret Zephanie Huddleston1 
From 19 March 1910, her married name became Trench.1
Children of Margaret Zephanie Huddleston and William Launcelot Crosbie Trench
- Lt.-Col. George Shan Crosbie Trench+1 b. 6 Aug 1913, d. 8 Apr 1995
- Lt.-Col. Sir David Clive Crosbie Trench+1 b. 2 Jun 1915, d. 4 Dec 1988
- Ruth Zephanie Charlotte Trench1 b. 5 Jan 1918, d. 3 Aug 1918
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Reverend W. P. Huddleston1
Child of Reverend W. P. Huddleston
- Margaret Zephanie Huddleston+1 d. 30 Oct 1934
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Lt.-Col. George Shan Crosbie Trench1 
He was educated at Stowe School, Buckingham, Buckinghamshire, EnglandG.1 He fought in the Second World War, where he was mentioned and dispatches, and captured and held as a POW.1 He gained the rank of Lieutenant-Colonel in the Royal Artillery.1
Children of Lt.-Col. George Shan Crosbie Trench and Myrtle Sheila Jerrett
- Barney George Trench+1 b. 17 Sep 1947
- Margaret Felicity Trench1 b. 29 Dec 1953
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Myrtle Sheila Jerrett1
From 1 December 1945, her married name became Trench.1 She lived in 1999 at 105 Walsall Road, Four Oaks, Sutton Coldfield, Birmingham, Warwickshire, EnglandG.1
Children of Myrtle Sheila Jerrett and Lt.-Col. George Shan Crosbie Trench
- Barney George Trench+1 b. 17 Sep 1947
- Margaret Felicity Trench1 b. 29 Dec 1953
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
H. Jerrett1
Child of H. Jerrett
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Barney George Trench1
He was educated at St. Edward’s School, Oxford, Oxfordshire, EnglandG.1 He was educated at St. Catherine’s College, Oxford University, Oxford, Oxfordshire, EnglandG.1 He lived in 1999 at 83 Rue Marie Therese, Brussels, BelgiumG.1
Child of Barney George Trench and Marjorie Shirley
- Felix William Crosbie Trench1 b. 14 Dec 1986
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Marjorie Shirley1
Marjorie Shirley also went by the nick-name of Midge.1 From 3 September 1982, her married name became Trench.1
Child of Marjorie Shirley and Barney George Trench
- Felix William Crosbie Trench1 b. 14 Dec 1986
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]
Felix William Crosbie Trench1
- [S8] BP1999 volume 1, page 129. See link for full details for this source. Hereinafter cited as. [S8]