Commander Guy Darracott Millar1 
He was educated at Clifton College, Clifton, Bristol, England.3 He was educated at H.M.S. Britannia, EnglandG.2 He gained the rank of Commander in the Royal Navy.1
Child of Commander Guy Darracott Millar and Rosalind Cockburn
- Lt.-Cdr. Michael Darracott Millar+2 b. 30 May 1924
- [S37] BP2003 volume 1, page 843. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S6394] T. E. Heathcote, The British Admirals of the Fleet, 1734-1995: A biographical dictionary (Barnsley, Yorkshire, U.K.: Leo Cooper, 2002), page 264. Hereinafter cited as The British Admirals of the Fleet.
Lt.-Col. Ronald Abercromby Cockburn1 
He gained the rank of Major in the Suffolk Regiment.1 He was with the Sierra Leone Frontier Police and West African Field Force between 1900 and 1905.1 He fought in the First World War, where he was wounded and mentioned in despatches.1 He gained the rank of Lieutenant-Colonel in the Royal Air Force.1 He was appointed Officer, Order of the British Empire (O.B.E.)1 He gained the rank of Lieutenant-Colonel and Brevet Colonel in the 4th Battalion, Suffolk Regiment (Territorial Army.)1
Child of Lt.-Col. Ronald Abercromby Cockburn and Gladys Huxtable Pearce
- Rona Abercromby Cockburn2 b. 27 Oct 1911, d. 2 Feb 1943
Gladys Huxtable Pearce1
Child of Gladys Huxtable Pearce and Lt.-Col. Ronald Abercromby Cockburn
- Rona Abercromby Cockburn2 b. 27 Oct 1911, d. 2 Feb 1943
Rona Abercromby Cockburn1 
From 22 September 1933, her married name became Cowdell.
Captain Harry George Cowdell1
He gained the rank of Captain in the 4th Queen’s Own Horse.1
Donald Graham Cockburn1 
Child of Donald Graham Cockburn and Dorothy Agnes Evans
- Edith Penelope Cockburn2 b. 20 Jun 1916
Lewis Evans1
Child of Lewis Evans
- Dorothy Agnes Evans+2 d. 15 Nov 1916
Dorothy Agnes Evans1 
From 15 September 1915, her married name became Cockburn.1
Child of Dorothy Agnes Evans and Donald Graham Cockburn
- Edith Penelope Cockburn2 b. 20 Jun 1916