Mark Peter Coxon1
He was educated at Allhallows School, Devon, EnglandG.1
Helen Florence Howard Coxon1
From 27 March 1948, her married name became McKilliam.
Children of Helen Florence Howard Coxon and Captain Kenneth Roderick McKilliam
- Robert Douglas McKilliam2 b. 8 Mar 1950
- Isobel Jean McKilliam2 b. 2 Oct 1952
Captain Robert Basil Vincent McKilliam1
Child of Captain Robert Basil Vincent McKilliam
Captain Kenneth Roderick McKilliam1
He gained the rank of Captain in the Gordon Highlanders.1 He was with the Colonial Service.1 He graduated with a Bachelor of Arts (B.A.)1
Children of Captain Kenneth Roderick McKilliam and Helen Florence Howard Coxon
- Robert Douglas McKilliam2 b. 8 Mar 1950
- Isobel Jean McKilliam2 b. 2 Oct 1952
Robert Douglas McKilliam1
He was educated at King’s School, Canterbury, Kent, EnglandG.1 He was educated at Imperial College, London, EnglandG.1
Isobel Jean McKilliam1
She was educated at Lillesden School, Hawkhurst, Kent, EnglandG.1
David Richardson1
Child of David Richardson and Diana Elizabeth Renwick
- Susan Carolyn Richardson2 b. 1975
Sir Thomas Clark, 3rd Bt.1 
He was educated at Edinburgh Academy, Edinburgh, Midlothian, ScotlandG.1 He was educated at University College, Oxford University, Oxford, Oxfordshire, EnglandG.1 He succeeded as the 3rd Baronet Clark, of Melville Crescent, Edinburgh [U.K., 1886] on 27 May 1924.1 He gained the rank of Major in 1938 in the 7th Battalion, Royal Scots.1 He gained the rank of Honorary Colonel in the Forth Heavy Regiment Royal Artillery (Territorial Army), later 414 Coast Regiment Royal Artillery (Forth) (Territorial Army.)1 He was appointed Fellow, Royal Society of Edinburgh (F.R.S.E.)1 He held the office of Deputy Lieutenant (D.L.) of the County and City of Edinburgh in 1955.1
Children of Sir Thomas Clark, 3rd Bt. and Ellen Mercy Drake
- Laura Moubray Clark+2 b. 1916
- Sir John Douglas Clark, 4th Bt.2 b. 9 Jan 1923, d. 1991
- Sir Francis Drake Clark, 5th Bt.+2 b. 16 Jul 1924, d. 20 Dec 2019
- Cynthia Adeline Clark2 b. 16 Jul 1924
Francis Drake1
Child of Francis Drake and Laura Moubray
- Ellen Mercy Drake+2 d. 1987
Ellen Mercy Drake1 
From 18 June 1914, her married name became Clark.
Children of Ellen Mercy Drake and Sir Thomas Clark, 3rd Bt.
- Laura Moubray Clark+2 b. 1916
- Sir John Douglas Clark, 4th Bt.2 b. 9 Jan 1923, d. 1991
- Sir Francis Drake Clark, 5th Bt.+2 b. 16 Jul 1924, d. 20 Dec 2019
- Cynthia Adeline Clark2 b. 16 Jul 1924