Hon. Catherine Sophia Marianne Chetwynd1
Hon. Frances Diana Dorothea Chetwynd1
Celia Grace Ramsay1
From 19 February 1966, her married name became Chetwynd. After her marriage, Celia Grace Ramsay was styled as Viscountess Chetwynd on 19 February 1966. From 1974, her married name became Burnett-Smith.2 She lived at 13 Gloucester Avenue, Belair, South Australia, Australia.2
Children of Celia Grace Ramsay and Adam Richard John Casson Chetwynd, 10th Viscount Chetwynd of Bearhaven
- Hon. Emma Grace Chetwynd2 b. 5 May 1967
- Adam Douglas Chetwynd, 11th Viscount Chetwynd of Bearhaven+2 b. 26 Feb 1969
- Hon. Robert Duncan Chetwynd2 b. 26 Feb 1969
Child of Celia Grace Ramsay and Geoffrey Burnett-Smith
- Angus Burnett-Smith2 b. 1977
- [S37] BP2003 volume 1, page 765. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 173. Hereinafter cited as The Complete Peerage, Volume XIV.
Angela May McCarthy1
After her marriage, Angela May McCarthy was styled as Viscountess Chetwynd on 15 August 1975. From 15 August 1975, her married name became Chetwynd.
Adam Douglas Chetwynd, 11th Viscount Chetwynd of Bearhaven1 
He succeeded as the 11th Viscount Chetwynd of Bearhaven, co. Kerry [I., 1717] on 21 August 2015.4 He succeeded as the 11th Baron of Rathdowne, co. Kerry [I., 1717] on 21 August 2015.4
Children of Adam Douglas Chetwynd, 11th Viscount Chetwynd of Bearhaven and Joanna Marie Karatau
- Hon. Connor Adam Chetwynd3 b. 18 Oct 2001
- Hon. Lachlan Alexander Chetwynd3 b. 2003
- Hon. Cassidy Grace Chetwynd3 b. 2006
- [S37] BP2003 volume 1, page 765. 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.
- [S1217] David Luard, “re: David Luard,” e-mail message to British and European Nobility Register, 13 December 2004. Hereinafter cited as “re: David Luard.”
Hon. Robert Duncan Chetwynd1 
Hon. Emma Grace Chetwynd1
Charles Philip Chetwynd Miles1
Child of Charles Philip Chetwynd Miles and Sophie Jacqueline Rose Unwin
- Henrietta Anderlechtia Primrose Miles2 b. 8 Mar 2002
Judith Mary Jephson1 
From 7 April 1964, her married name became Chetwynd.
Children of Judith Mary Jephson and Richard Walter Chetwynd
- Katharine Margaret Chetwynd+2 b. 24 Jun 1965
- Sarah Alexandra Chetwynd+2 b. 6 Oct 1967
- Mark Richard Chetwynd2 b. 1972
Mark Richard Chetwynd1