Dudley Alfred Chenevix-Trench1
He was educated at Bradfield School, EnglandG.1 He gained the rank of Lieutenant in the Royal Artillery.1
Children of Dudley Alfred Chenevix-Trench and Isobel Margaret Logie McDonald
- Jennifer Elizabeth Chenevix-Trench+1 b. 23 Apr 1957
- Helen Winifred Chenevix-Trench+1 b. 5 May 1959
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Eliza Bridgeman Willyams1 
Her married name became O’Brien.
James Willyams1
Children of James Willyams and Anne Champion
- Eliza Bridgeman Willyams2 d. 14 Feb 1802
- James Brydges Willyams3 b. 1 Jan 1772, d. 1820
- Charlotte Champion Willyams3 b. 1782, d. 1875
- [S37] BP2003 volume 2, page 2035. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1322] David Arathoon, “re: Acheson Family and Campbell Family,” e-mail message to British and European Nobility Register, 8 April 2005 – 14 July 2006. Hereinafter cited as “re: Acheson Family and Campbell Family.”
Jane Ottley1 
Her married name became Horsford.1 Her married name became O’Brien.
- [S37] BP2003 volume 2, page 2035. See link for full details for this source. Hereinafter cited as. [S37]
Thomas Ottley1
Child of Thomas Ottley and Grace Johnson Byam
- Jane Ottley1 b. c 1780, d. 8 Sep 1843
- [S37] BP2003 volume 2, page 2035. See link for full details for this source. Hereinafter cited as. [S37]
Isobel Margaret Logie McDonald1
From 15 January 1955, her married name became Chenevix-Trench.1
Children of Isobel Margaret Logie McDonald and Dudley Alfred Chenevix-Trench
- Jennifer Elizabeth Chenevix-Trench+1 b. 23 Apr 1957
- Helen Winifred Chenevix-Trench+1 b. 5 May 1959
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Anne Flint1 
From 20 July 1824, her married name became Fane.1 After her marriage, Anne Flint was styled as Marchioness of Thomond on 5 January 1847. From 5 January 1847, her married name became O’Brien.
William Low McDonald1
Child of William Low McDonald
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Henry O’Brien1 
He lived at Stonehall, County Clare, IrelandG.1
Children of Henry O’Brien and Susanna Stafford
- Donogh O’Brien+2
- Elizabeth O’Brien2
- Anne O’Brien2
- Susanna O’Brien2
- Catherine O’Brien2
- Mary O’Brien2
- Frances O’Brien2 d. 21 Oct 1753
- unknown son O’Brien1 b. b 1708
- unknown son O’Brien1 b. a 1708
- Henry O’Brien+2 b. Mar 1708, d. 17 Mar 1757
Susanna Stafford 
Her married name became Geoghegan.1 Her married name became O’Brien.
Children of Susanna Stafford and Henry O’Brien
- Donogh O’Brien+2
- Elizabeth O’Brien2
- Anne O’Brien2
- Susanna O’Brien2
- Catherine O’Brien2
- Mary O’Brien2
- Frances O’Brien2 d. 21 Oct 1753
- unknown son O’Brien1 b. b 1708
- unknown son O’Brien1 b. a 1708
- Henry O’Brien+2 b. Mar 1708, d. 17 Mar 1757
