Sir William Charles Cooper, 3rd Bt.1 
He held the office of Justice of the Peace (J.P.) for Northamptonshire.1 He succeeded as the 3rd Baronet Cooper, of Woollahra, New South Wales [U.K., 1863] on 13 June 1909.1
Children of Sir William Charles Cooper, 3rd Bt. and Alice Helen Hill
- Alice Nellie Cooper+2 d. 17 Dec 1965
- Sir William George Daniel Cooper, 4th Bt.+2 b. 14 Dec 1877, d. 27 Dec 1954
- Major Arthur Hamilton Cooper+2 b. 18 Jan 1881, d. 25 May 1973
- Gerald Melbourne Cooper2 b. 13 Sep 1892, d. 17 Nov 1947
Sub-Lt. Charles de Grey Vyner1

He fought in the Second World War.1 He gained the rank of Sub-Lieutenant in the Royal Navy.1
- [S37] BP2003 volume 2, page 2928. See link for full details for this source. Hereinafter cited as. [S37]
Henry Vyner1 
Children of Henry Vyner and Margaret Heathcote
- Harriet de Grey Vyner1 b. 18 Aug 1959
- Violet Elizabeth Vyner+1 b. 21 Mar 1962
- [S37] BP2003 volume 2, page 2928. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S203] Announcements, The Times, London, U.K., 6 August 1982. Hereinafter cited as The Times.
- [S203] The Times, 22 January 1996.
Margaret Heathcote1
From 7 September 1951, her married name became Philipps. From 13 October 1958, her married name became Vyner.
Child of Margaret Heathcote and Hugo John Laurence Philipps, 3rd Baron Milford
- Hon. Anna Margaret Philipps+1 b. 17 Apr 1954
Children of Margaret Heathcote and Henry Vyner
- Harriet de Grey Vyner3 b. 18 Aug 1959
- Violet Elizabeth Vyner+3 b. 21 Mar 1962
- [S37] BP2003 volume 2, page 2690. See link for full details for this source. Hereinafter cited as. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S37] BP2003. [S37]
Captain Ralph Heathcote1
Child of Captain Ralph Heathcote
- [S37] BP2003 volume 2, page 2690. See link for full details for this source. Hereinafter cited as. [S37]
Harriet de Grey Vyner1
- [S37] BP2003 volume 2, page 2928. See link for full details for this source. Hereinafter cited as. [S37]
Violet Elizabeth Vyner
From 1995, her married name became Edge.2 In September 2007 her name was legally changed to Vyner.3
Children of Violet Elizabeth Vyner and Richard J. H. Edge
- George Henry Edge2 b. 14 Feb 1997
- Isobel Rose Edge3 b. 21 Jan 1999
- [S37] BP2003 volume 2, page 2928. See link for full details for this source. Hereinafter cited as. [S37]
- [S203] Announcements, The Times, London, U.K., 20 February 1997. Hereinafter cited as The Times.
- [S3287] Violet Vyner, “re: Vyner Family,” e-mail message to BENR, 10 September 2008. Hereinafter cited as “re: Vyner Family.”
Hugo John Laurence Philipps, 3rd Baron Milford1 
He was educated at Eton College, Windsor, Berkshire, England.1 He was educated at King’s College, Cambridge University, Cambridge, Cambridgeshire, England.1 He held the office of High Sheriff of Powys between 1976 and 1977.1 He succeeded as the 3rd Baron Milford, of Llanstephan, co. Radnor [U.K., 1939] on 30 November 1993.1 He succeeded as the 3rd Baronet Philipps, of Llanstephan, co. Radnor [U.K., 1919] on 30 November 1993.1
Child of Hugo John Laurence Philipps, 3rd Baron Milford and Margaret Heathcote
- Hon. Anna Margaret Philipps+1 b. 17 Apr 1954
Children of Hugo John Laurence Philipps, 3rd Baron Milford and Hon. Mary Makins
- Guy Wogan Philipps, 4th Baron Milford+1 b. 25 Jul 1961
- Hon. Roland Alexander Philipps+1 b. 1962
- Hon. Katherine Nina Philipps2 b. 1964
- Hon. Ivo Laurence Philipps+1 b. 1967
Hon. Anna Margaret Philipps1
From 27 February 1975, her married name became Woodhouse. After her marriage, Hon. Anna Margaret Philipps was styled as Baroness Terrington on 13 February 2001.
Children of Hon. Anna Margaret Philipps and Christopher Richard James Woodhouse, 6th Baron Terrington
- Hon. Jack Henry Lehmann Woodhouse2 b. 7 Dec 1978
- Hon. Constance Margaret Davina Woodhouse2 b. 1 Jan 1982
Maximilian Richard Petty Ward1
- [S8] BP1999 volume 1, page 179. See link for full details for this source. Hereinafter cited as. [S8]