Lady Christina Alice McDonnell1 
She graduated from Slade School of Fine Art, London, EnglandG, with a Diploma of Fine Art.1 From 23 January 1963, her married name became Hoare.1
Children of Lady Christina Alice McDonnell and Joseph Andrew Christopher Hoare
- Jane Alice Patience Hoare+1 b. 23 Dec 1963
- Charles William Reginald Hoare1 b. 23 Jun 1966
- Lucy Mary Christina Hoare1 b. 24 Oct 1968
- [S8] BP1999 volume 1, page 91. See link for full details for this source. Hereinafter cited as. [S8]
Sarah Elizabeth Anne Harmsworth1
From 9 February 1963, her married name became McDonnell. From after 1974, her married name became Gates.3
Children of Sarah Elizabeth Anne Harmsworth and Alexander Randal Mark McDonnell, 9th Earl of Antrim
- Lady Flora Mary McDonnell4 b. 7 Nov 1963
- Lady Alice Angela Jane McDonnell4 b. 5 Dec 1964
- Randal Alexander St. John McDonnell, 10th Earl of Antrim+1 b. 2 Jul 1967
- [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 31. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S37] BP2003 volume 3, page 3410. 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.
- [S8] BP1999 volume 1, page 90. See link for full details for this source. Hereinafter cited as. [S8]
Elizabeth Hannah Sacher1
After her marriage, Elizabeth Hannah Sacher was styled as Countess of Antrim on 21 October 1977. From 21 October 1977, her married name became McDonnell.
Child of Elizabeth Hannah Sacher and Alexander Randal Mark McDonnell, 9th Earl of Antrim
- Lady Rachel Frances McDonnell4 b. 24 Feb 1978
- [S37] BP2003 volume 2, page 2620. See link for full details for this source. Hereinafter cited as. [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 31. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S37] BP2003. [S37]
- [S8] BP1999 volume 1, page 90. See link for full details for this source. Hereinafter cited as. [S8]
Randal Alexander St. John McDonnell, 10th Earl of Antrim1
He was educated at Gresham’s School, Holt, Norfolk, EnglandG.3 He was styled as Viscount Dunluce between 1977 and 2021. He succeeded as the 10th Earl of Antrim [I., 1785] on 21 July 2021. He succeeded as the 10th Viscount Dunluce [I., 1785] on 21 July 2021.
Children of Randal Alexander St. John McDonnell, 10th Earl of Antrim and Aurora Gunn
- Alexander David Somerled McDonnell, Viscount Dunluce2 b. 30 Jun 2006
- Lady Helena Maeve Aurora McDonnell4 b. 19 Feb 2008
- [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 31. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S466] Notices, The Telegraph, London, UK, 4 July 2006. Hereinafter cited as The Telegraph.
- [S8] BP1999 volume 1, page 90. See link for full details for this source. Hereinafter cited as. [S8]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Lady Flora Mary McDonnell1
From 30 April 2003, her married name became Lady Pennybacker.2
- [S8] BP1999 volume 1, page 90. See link for full details for this source. Hereinafter cited as. [S8]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Lady Alice Angela Jane McDonnell1
Her married name became Gwin.
- [S8] BP1999 volume 1, page 90. See link for full details for this source. Hereinafter cited as. [S8]
Christian Gwin
Lady Rachel Frances McDonnell1
- [S8] BP1999 volume 1, page 90. See link for full details for this source. Hereinafter cited as. [S8]
Catherine Elizabeth Chapman1
From 15 February 1969, her married name became McDonnell.1
Children of Catherine Elizabeth Chapman and Hon. Hector John McDonnell
- Hannah Margaretta McDonnell1 b. 1 Feb 1971
- Colquitto Angus McDonnell1 b. 1972
- [S8] BP1999 volume 1, page 91. See link for full details for this source. Hereinafter cited as. [S8]
Colquitto Angus McDonnell1
- [S8] BP1999 volume 1, page 91. See link for full details for this source. Hereinafter cited as. [S8]
