Sir Richard La Touche Colthurst, 9th Bt.1 
He was educated at Harrow School, Harrow, London, EnglandG.1 He graduated from Peterhouse College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, with a Master of Arts (M.A.)1 He succeeded as the 9th Baronet Colthurst, of Ardum, co. Cork [I., 1744] on 18 February 1955.1 He was host and organiser of the Blarney Castle International Three Day Event between 1992 and 2003.1 He became a Liveryman of the Grocers’ Company.1
Children of Sir Richard La Touche Colthurst, 9th Bt. and Janet Georgina Wilson-Wright
- Sir Charles St. John Colthurst, 10th Bt.+2 b. 21 May 1955
- Dr. James Richard Colthurst+2 b. 7 Mar 1957
- Henry Nicholas Almroth Colthurst+2 b. 10 Jan 1959
- Georgina Margaret Colthurst2 b. 16 Feb 1961
Leonard Almroth Wilson-Wright1
He lived at Coolcarrigan, County Kildare, IrelandG.1
Children of Leonard Almroth Wilson-Wright and Florence Janet Margaret Ivory
- Janet Georgina Wilson-Wright+3 d. 17 Nov 2007
- John Michael Wilson-Wright+4
- [S37] BP2003 volume 1, page 864. See link for full details for this source. Hereinafter cited as. [S37]
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
- [S37] BP2003. [S37]
- [S9623] Irish Historic Houses, online http://irishhistorichouses.com. Hereinafter cited as Irish Historic Houses.
Janet Georgina Wilson-Wright1 
From 24 October 1953, her married name became Colthurst.1
Children of Janet Georgina Wilson-Wright and Sir Richard La Touche Colthurst, 9th Bt.
- Sir Charles St. John Colthurst, 10th Bt.+2 b. 21 May 1955
- Dr. James Richard Colthurst+2 b. 7 Mar 1957
- Henry Nicholas Almroth Colthurst+2 b. 10 Jan 1959
- Georgina Margaret Colthurst2 b. 16 Feb 1961
Margaret Forrester1
From 21 May 1536, her married name became Colville.1
- [S37] BP2003 volume 1, page 865. See link for full details for this source. Hereinafter cited as. [S37]
Dr. James Richard Colthurst1
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 Between 1973 and 1974 he rowed for England Youth International.1 He graduated from St. Thomas’ Hospital Medical School, London, EnglandG, with a Bachelor of Science (B.Sc.)1 He graduated from St. Thomas’ Hospital Medical School, London, EnglandG, with a Bachelor of Medicine (M.B.)1 He graduated from St. Thomas’ Hospital Medical School, London, EnglandG, in 1982 with a Bachelor of Surgery (B.S.)1 He was appointed Fellow, Royal College of Surgeons of Edinburgh (F.R.C.S.E.) in 1985.1 He graduated from Brunel UniversityG in 1992 with a Master of Business Administration (M.B.A.)1 He was an inventor, and medical business consultant.1 He lived in 2003 at Balsdon Farm House, Folly Road, Inkpen, Berkshire, EnglandG.1
Children of Dr. James Richard Colthurst and Dominique G. Coles
- Leah Alexandra Colthurst2 b. 23 Oct 1994
- Cicely Rachel Colthurst2 b. 5 Jun 1997
Dominique G. Coles1
From 1990, her married name became Colthurst.1
Children of Dominique G. Coles and Dr. James Richard Colthurst
- Leah Alexandra Colthurst2 b. 23 Oct 1994
- Cicely Rachel Colthurst2 b. 5 Jun 1997
Leah Alexandra Colthurst1
Cicely Rachel Colthurst1
Henry Nicholas Almroth Colthurst1
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He graduated from Christ’s College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, with a Master of Arts (M.A.)1 He became a Liveryman of the Grocers’ Company.1 He lived in 2003 at Asserton House, Berwick St. James, Wiltshire, EnglandG.1
Children of Henry Nicholas Almroth Colthurst and Sophia Selina Irene Hervey-Bathurst
- Harriet Sophia Colthurst+2 b. 23 Sep 1984
- Edward Henry John Colthurst2 b. 26 Feb 1986
- Caroline Georgina Colthurst2 b. 28 Feb 1991