Patricia Mary Clulow-Gray1 
Her married name became Cokayne.
Lt.-Col. S. Clulow-Gray1
Child of Lt.-Col. S. Clulow-Gray
- Patricia Mary Clulow-Gray1 d. 23 Jun 1996
- [S37] BP2003 volume 1, page 990. See link for full details for this source. Hereinafter cited as. [S37]
Don Francesco Sanseverino
Children of Don Francesco Sanseverino and Hon. Julia Cokayne
- Don Eduardo Sanseverino b. 1969
- Don Alessandro Sanseverino b. 1971
- Sveva Costa Sanseverino di Bisignano2 b. Oct 1973
- [S37] BP2003 volume 1, page 990. See link for full details for this source. Hereinafter cited as. [S37]
- [S4454] Julia Wigart, “re: Cokayne Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 3 February 2010. Hereinafter cited as “re: Cokayne Family.”
Don Eduardo Sanseverino
Don Alessandro Sanseverino
Edmund Willoughby Marsham Cokayne, 3rd Baron Cullen of Ashbourne1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He was educated at Royal School of Mines, South Kensington, London, EnglandG.1 He fought in the Second World War.1 He gained the rank of Flight Lieutenant in the Royal Air Force.1 He adopted Hon. Jean Charlotte Cokayne.1 He was a mining engineer.1 He succeeded as the 3rd Baron Cullen of Ashbourne, of Roehampton, co. Surrey [U.K., 1920] on 17 December 2000.3 He lived in 2003 at 15–1901 Maxwell Avenue, Merritt, British Columbia, CanadaG.1
Child of Edmund Willoughby Marsham Cokayne, 3rd Baron Cullen of Ashbourne and Janet Mansen Watson
- Hon. Jean Charlotte Cokayne+3 b. 28 Mar 1935, d. 29 Aug 2009
- [S37] BP2003 volume 1, page 988. See link for full details for this source. Hereinafter cited as. [S37]
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
- [S37] BP2003. [S37]
Janet Mansen Watson 
She adopted Hon. Jean Charlotte Cokayne.2 Her married name became Cokayne.
Child of Janet Mansen Watson and Edmund Willoughby Marsham Cokayne, 3rd Baron Cullen of Ashbourne
- Hon. Jean Charlotte Cokayne+1 b. 28 Mar 1935, d. 29 Aug 2009
William Douglas Watson
Child of William Douglas Watson
- Janet Mansen Watson+2 d. 14 Feb 2006
Hon. John O’Brien Marsham Cokayne1
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He lived in 2003 at 14 St. Omer Road, Cowley, Oxfordshire, EnglandG.1
Child of Hon. John O’Brien Marsham Cokayne and Anne Frances Clayton
- Michael John Cokayne, 4th Baron Cullen of Ashbourne1 b. 28 Nov 1950
- [S37] BP2003 volume 1, page 990. See link for full details for this source. Hereinafter cited as. [S37]
Anne Frances Clayton1 
Her married name became Cokayne.
Child of Anne Frances Clayton and Hon. John O’Brien Marsham Cokayne
- Michael John Cokayne, 4th Baron Cullen of Ashbourne1 b. 28 Nov 1950
- [S37] BP2003 volume 1, page 990. See link for full details for this source. Hereinafter cited as. [S37]
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
