Simon van Noort1
Child of Simon van Noort and Philippa Mary Huntly
Hon. Colin John Buckmaster1 
He was educated at Winchester College, Winchester, Hampshire, EnglandG.1 He gained the rank of Flight Lieutenant in the Royal Air Force Volunteer Reserve.1 He lived in 2003 at Ryece Hall, Brettenham, Ipswich, Suffolk, EnglandG.1
Children of Hon. Colin John Buckmaster and May Gibbon
- Adrian Charles Buckmaster, 4th Viscount Buckmaster+1 b. 2 Feb 1949
- Ann Susan Buckmaster+1 b. 28 Sep 1950
- Sarah Janet Buckmaster1 b. 6 Dec 1952
- Simon John Buckmaster+1 b. 1 Apr 1956
- Michael Anthony Stanley Buckmaster1 b. 19 Oct 1959
- [S37] BP2003 volume 1, page 580. 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.
Charles Henry Gibbon1
Child of Charles Henry Gibbon
- May Gibbon+1 b. 1922, d. 10 Dec 2016
- [S37] BP2003 volume 1, page 580. See link for full details for this source. Hereinafter cited as. [S37]
May Gibbon1 
From 12 October 1946, her married name became Buckmaster.
Children of May Gibbon and Hon. Colin John Buckmaster
- Adrian Charles Buckmaster, 4th Viscount Buckmaster+1 b. 2 Feb 1949
- Ann Susan Buckmaster+1 b. 28 Sep 1950
- Sarah Janet Buckmaster1 b. 6 Dec 1952
- Simon John Buckmaster+1 b. 1 Apr 1956
- Michael Anthony Stanley Buckmaster1 b. 19 Oct 1959
Adrian Charles Buckmaster, 4th Viscount Buckmaster1
He was educated at Charterhouse School, Godalming, Surrey, EnglandG.1 He graduated from Clare College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1970 with a Bachelor of Arts (B.A.)1 He graduated from Clare College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1974 with a Master of Arts (M.A.)1 He was managing director of Dowty Mining in 1980.1 He lived in 2003 at The Close, Holdfast, Upton-on-Severn, Worcestershire, EnglandG.1 He succeeded as the 4th Viscount Buckmaster [U.K., 1933] on 8 June 2007.2 He succeeded as the 4th Baron Buckmaster, of Cheddington, co. Buckingham [U.K., 1915] on 8 June 2007.2
Children of Adrian Charles Buckmaster, 4th Viscount Buckmaster and Elizabeth Mary Mark
- Hon. Clare May Buckmaster1 b. 1 Jun 1979
- Hon. Andrew Nicholas Buckmaster+1 b. 1980, d. 10 Apr 2023
- Hon. Nicola Mary Buckmaster1 b. 1986
- [S37] BP2003 volume 1, page 580. 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.
Norman Mark1
Child of Norman Mark
- [S37] BP2003 volume 1, page 580. See link for full details for this source. Hereinafter cited as. [S37]
Elizabeth Mary Mark1
She graduated with a Bachelor of Medicine (M.B.)1 From 26 July 1975, her married name became Buckmaster. After her marriage, Elizabeth Mary Mark was styled as Viscountess Buckmaster on 8 June 2007.
Children of Elizabeth Mary Mark and Adrian Charles Buckmaster, 4th Viscount Buckmaster
- Hon. Clare May Buckmaster1 b. 1 Jun 1979
- Hon. Andrew Nicholas Buckmaster+1 b. 1980, d. 10 Apr 2023
- Hon. Nicola Mary Buckmaster1 b. 1986
- [S37] BP2003 volume 1, page 580. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Andrew Nicholas Buckmaster1 
Children of Hon. Andrew Nicholas Buckmaster and Dr. Helen R. Murray
- Rupert Stanley E. Buckmaster2 b. 2015
- Freddie Laurie Buckmaster2 b. 2016
- Heidi Margaret M. Buckmaster2 b. 2020
- [S37] BP2003 volume 1, page 580. 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.
Hon. Clare May Buckmaster1
- [S37] BP2003 volume 1, page 580. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Nicola Mary Buckmaster1
- [S37] BP2003 volume 1, page 580. See link for full details for this source. Hereinafter cited as. [S37]
