Henry Jocelyn Seymour, 9th Marquess of Hertford1
He was educated at Harrow School, Harrow, London, EnglandG.1 He was educated at Royal Agricultural College, Cirencester, Gloucestershire, EnglandG.1 He succeeded as the 10th Baron Conway and Killultagh, co. Antrim [I., 1712] on 22 December 1997.2 He succeeded as the 9th Earl of Yarmouth, co. Norfolk [G.B., 1793] on 22 December 1997.1 He succeeded as the 9th Marquess of Hertford [G.B., 1793] on 22 December 1997.1 He succeeded as the 9th Earl of Hertford [G.B., 1750] on 22 December 1997.2 He succeeded as the 10th Baron Conway of Ragley, co. Warwick [G.B., 1703] on 22 December 1997.2 He succeeded as the 9th Viscount Beauchamp [G.B., 1750] on 22 December 1997.2 He lived in 2003 at Ragley Hall, Alcester, Warwickshire, EnglandG.1
Children of Henry Jocelyn Seymour, 9th Marquess of Hertford and Beatriz Karam
- Lady Gabriella Helen Seymour1 b. 23 Apr 1992
- William Francis Seymour, Earl of Yarmouth+1 b. 2 Nov 1993
- Lord Edward George Seymour1 b. 24 Jan 1995
- Lady Antonia Louisa Seymour1 b. 24 Jul 1998
Lady Carolyn Mary Seymour1
- [S37] BP2003 volume 2, page 1890. See link for full details for this source. Hereinafter cited as. [S37]
Beatriz Karam1
From 15 December 1990, her married name became Seymour. After her marriage, Beatriz Karam was styled as Marchioness of Hertford on 22 December 1997.
Children of Beatriz Karam and Henry Jocelyn Seymour, 9th Marquess of Hertford
- Lady Gabriella Helen Seymour1 b. 23 Apr 1992
- William Francis Seymour, Earl of Yarmouth+1 b. 2 Nov 1993
- Lord Edward George Seymour1 b. 24 Jan 1995
- Lady Antonia Louisa Seymour1 b. 24 Jul 1998
- [S37] BP2003 volume 2, page 1885. See link for full details for this source. Hereinafter cited as. [S37]
William Francis Seymour, Earl of Yarmouth1
He was styled as Earl of Yarmouth.1
Children of William Francis Seymour, Earl of Yarmouth and Kelsey Wells
- Clement Andrew Seymour, Viscount Beauchamp2 b. 29 Nov 2019
- Hon. Jocelyn William Seymour2 b. 25 Aug 2021
Lady Gabriella Helen Seymour1
- [S37] BP2003 volume 2, page 1885. See link for full details for this source. Hereinafter cited as. [S37]
Lady Diana Helen Seymour1
From 10 October 1992, her married name became Verdon. From 6 May 2000, her married name became Beaumont.1
Children of Lady Diana Helen Seymour and Henry Alexander Nicholas Beaumont
- Laura Beaumont2 b. 26 May 2001
- Hugh Nicholas Beaumont4 b. 1 Mar 2003
- [S37] BP2003 volume 1, page 313. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S466] Notices, The Telegraph, London, UK, 22 March 2005. Hereinafter cited as The Telegraph.
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Timothy Verdon
He was a chartered surveyor.2
Lady Anne Katherine Seymour1
- [S37] BP2003 volume 2, page 1890. See link for full details for this source. Hereinafter cited as. [S37]
William Sheehan1
Child of William Sheehan
- [S8] BP1999 volume 1, page 167. See link for full details for this source. Hereinafter cited as. [S8]
Reginald Francis Baillieu1 
He was awarded the Military Cross (M.C.)1
Children of Reginald Francis Baillieu and Florence Chapman
- Ronald George Baillieu+1 b. 10 Oct 1924
- Richard Forster Baillieu1 b. 28 Jun 1927, d. 1 May 1943
- [S8] BP1999 volume 1, page 167. See link for full details for this source. Hereinafter cited as. [S8]
