Colonel Henry Hussey Vivian, 1st Baron Swansea of Singleton1 
He held the office of Member of Parliament (M.P.) (Liberal) for Truro between 1852 and 1857.1 He held the office of Member of Parliament (M.P.) (Liberal) for Glamorgan between 1857 and 1885.1 He gained the rank of Colonel in the 4th Glamorgan RV.1 He was created 1st Baronet Swansea [U.K.] on 13 May 1882.2 He held the office of Member of Parliament (M.P.) (Liberal) for Swansea between 1885 and 1893.1 He was created 1st Baron Swansea of Singleton, co. Glamorgan [U.K.] on 9 June 1893.1
Child of Colonel Henry Hussey Vivian, 1st Baron Swansea of Singleton and Jessie Dalrynple Goddard
- Ernest Ambrose Vivian, 2nd Baron Swansea of Singleton1 b. 11 Feb 1848, d. 17 Jul 1922
Child of Colonel Henry Hussey Vivian, 1st Baron Swansea of Singleton and Flora Caroline Elizabeth Cholmeley
- Hon. John Aubrey Vivian1 b. 23 Jul 1854, d. 1 Mar 1898
Children of Colonel Henry Hussey Vivian, 1st Baron Swansea of Singleton and Averil Beaumont
- Hon. Violet Averil Margaret Vivian+1 b. 3 Dec 1871, d. 30 Mar 1943
- Hon. Henry Hussey Vivian1 b. 5 Feb 1873, d. 11 Dec 1898
- Odo Richard Vivian, 3rd Baron Swansea of Singleton+1 b. 22 Apr 1875, d. 16 Nov 1934
- Hon. Averil Vivian+1 b. 4 Dec 1876, d. 1 Feb 1959
- Hon. Alberta Diana Vivian+2 b. 10 Feb 1883, d. 11 Dec 1968
- Hon. Alexandra Gladys Vivian+2 b. 10 Feb 1883, d. 17 Jul 1966
Flora Caroline Elizabeth Cholmeley1 
Her married name became Vivian.
Child of Flora Caroline Elizabeth Cholmeley and Colonel Henry Hussey Vivian, 1st Baron Swansea of Singleton
- Hon. John Aubrey Vivian b. 23 Jul 1854, d. 1 Mar 1898
- [S37] BP2003 volume 1, page 783. See link for full details for this source. Hereinafter cited as. [S37]
Patrick Treherne
Jessie Dalrynple Goddard1 
Her married name became Vivian.
Child of Jessie Dalrynple Goddard and Colonel Henry Hussey Vivian, 1st Baron Swansea of Singleton
- Ernest Ambrose Vivian, 2nd Baron Swansea of Singleton1 b. 11 Feb 1848, d. 17 Jul 1922
- [S37] BP2003 volume 3, page 3835. See link for full details for this source. Hereinafter cited as. [S37]
Ambrose Awdry1
Child of Ambrose Awdry
- [S6289] The History of Parliament Online, online http://www.historyofparliamentonline.org. Hereinafter cited as History of Parliament.
Ernest Ambrose Vivian, 2nd Baron Swansea of Singleton1 
He succeeded as the 2nd Baronet Swansea [U.K., 1882] on 28 November 1894.1 He succeeded as the 2nd Baron Swansea of Singleton, co. Glamorgan [U.K., 1893] on 28 November 1894.1 He held the office of Deputy Lieutenant (D.L.) of Glamorgan.1 He held the office of Justice of the Peace (J.P.) for Glamorgan.1
- [S37] BP2003 volume 3, page 3835. See link for full details for this source. Hereinafter cited as. [S37]
Hon. John Aubrey Vivian 
He held the office of Deputy Lieutenant (D.L.) of Glamorgan.1 He held the office of Justice of the Peace (J.P.) for Glamorgan.1
- [S37] BP2003 volume 3, page 3835. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Henry Hussey Vivian 
- [S37] BP2003 volume 3, page 3835. See link for full details for this source. Hereinafter cited as. [S37]
Odo Richard Vivian, 3rd Baron Swansea of Singleton1 
He gained the rank of Colonel between 1901 and 1919 in the 6th Battalion, Welch Regiment and Glamorgan Yeomanry.1 He was awarded the Territorial Decoration (T.D.) in 1916.1 He held the office of Deputy Lieutenant (D.L.) of Glamorgan.1 He held the office of Justice of the Peace (J.P.) for Glamorgan.1 He succeeded as the 3rd Baronet Swansea [U.K., 1882] on 17 July 1922.1 He succeeded as the 3rd Baron Swansea of Singleton, co. Glamorgan [U.K., 1893] on 17 July 1922.1 He was awarded the Distinguished Service Order (D.S.O.)1 He was appointed Member, Royal Victorian Order (M.V.O.)1
Children of Odo Richard Vivian, 3rd Baron Swansea of Singleton and Hon. Winifred Hamilton
- Hon. Ursula Margaret Vivian1 b. 13 May 1910, d. 2 Aug 1963
- John Hamilton Hussey Vivian, 4th Baron Swansea of Singleton+1 b. 1 Jan 1925, d. 24 Jun 2005
- Hon. Rosemary Winifred Vivian+2 b. 4 Jun 1927, d. 1981
- Hon. Averil Vivian+1 b. 8 Jan 1930, d. 1 Jan 2022
Hon. Winifred Hamilton1 
Her married name became Vivian. After her marriage, Hon. Winifred Hamilton was styled as Baroness Swansea of Singleton on 17 July 1922.
Children of Hon. Winifred Hamilton and Odo Richard Vivian, 3rd Baron Swansea of Singleton
- Hon. Ursula Margaret Vivian2 b. 13 May 1910, d. 2 Aug 1963
- John Hamilton Hussey Vivian, 4th Baron Swansea of Singleton+2 b. 1 Jan 1925, d. 24 Jun 2005
- Hon. Rosemary Winifred Vivian+2 b. 4 Jun 1927, d. 1981
- Hon. Averil Vivian+2 b. 8 Jan 1930, d. 1 Jan 2022
