Hon. Mary Elizabeth Anne Dalberg-Acton1 
From 21 October 1901, her married name became Herbert.1
- [S8] BP1999 volume 1, page 28. See link for full details for this source. Hereinafter cited as. [S8]
Lt.-Col. Edward Bleiddian Herbert1 
He held the office of Deputy Lieutenant (D.L.)1 He gained the rank of Lieutenant-Colonel in the 17th Lancers.1
John Arthur Edward Herbert1 
He held the office of Justice of the Peace (J.P.)1 He lived at Llanarth Court, Llanarth, Monmouthshire, WalesG.1 He lived at Treowen, Monmouthshire, WalesG.1 He held the office of Deputy Lieutenant (D.L.)1 He was given the name of John Arthur Edward Jones at birth.4 On 20 September 1848 his name was legally changed to John Arthur Edward Herbert by Royal Licence.4 He held the office of High Sheriff of Monmouthshire in 1849.2
Children of John Arthur Edward Herbert and Hon. Augusta Charlotte Elizabeth Hall
- Henrietta Maria Arienwen Herbert5 b. 26 Jul 1848, d. 5 Mar 1922
- Florence Catherine Mary Herbert+2 b. 17 Apr 1850, d. 23 Jan 1900
- Ivor John Caradoc Herbert, 1st and last Baron Treowen+4 b. 15 Jul 1851, d. 18 Oct 1933
- Sir Arthur James Herbert2 b. 22 Aug 1855, d. 21 Aug 1921
- Lt.-Col. Edward Bleiddian Herbert1 b. 23 Jan 1858, d. 29 Apr 1931
- Stephen Sulien Charles Herbert2 b. 18 Dec 1864
- [S8] BP1999 volume 1, page 28. See link for full details for this source. Hereinafter cited as. [S8]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S34] BP1970 page 1009. See link for full details for this source. Hereinafter cited as. [S34]
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 274. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 2, page 1884. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Annie Mary Catherine Georgiana Dalberg-Acton1 
- [S8] BP1999 volume 1, page 28. See link for full details for this source. Hereinafter cited as. [S8]
Hon. Elizabeth Mary Catherine Dalberg-Acton1 
- [S8] BP1999 volume 1, page 28. See link for full details for this source. Hereinafter cited as. [S8]
Hon. Jeanne Marie Dalberg-Acton1 
- [S8] BP1999 volume 1, page 28. See link for full details for this source. Hereinafter cited as. [S8]
Dorothy Lyon1 
After her marriage, Dorothy Lyon was styled as Baroness Acton of Aldenham on 7 June 1904.
Children of Dorothy Lyon and Richard Maximilian Lyon-Dalberg-Acton, 2nd Baron Acton of Aldenham
- Hon. Marie Immaculeé Antoinette Lyon-Dalberg-Acton1 b. 1 Apr 1905, d. 5 Apr 1994
- Hon. Dorothy Elizabeth Anne Pelline Lyon-Dalberg-Acton+1 b. 25 Jun 1906, d. b 11 Apr 1998
- John Emerich Henry Lyon-Dalberg-Acton, 3rd Baron Acton of Aldenham+1 b. 15 Dec 1907, d. 23 Jan 1989
- Hon. Richard William Heribert Peter Lyon-Dalberg-Acton1 b. 21 Feb 1909, d. 7 Sep 1946
- Hon. Helen Mary Grace Lyon-Dalberg-Acton+4 b. 21 May 1910, d. 6 Jun 2001
- Hon. Gabrielle Marie Leopoldine Lyon-Dalberg-Acton4 b. 15 Dec 1912, d. 2 Aug 1930
- Hon. Joan Henrica Josepha Mary Clare Lyon-Dalberg-Acton4 b. 7 Aug 1915, d. 14 Nov 1995
- Hon. Margaret Mary Teresa Lyon-Dalberg-Acton4 b. 27 May 1919, d. 9 Dec 1997
- Hon. Ædgyth Bertha Milburg Mary Antonia Frances Lyon-Dalberg-Acton+4 b. 15 Dec 1920, d. Jun 1995
- [S8] BP1999 volume 1, page 28. See link for full details for this source. Hereinafter cited as. [S8]
- [S8002] The Mesiter, online http://www.themeister.co.uk/hindley/lyons. Hereinafter cited as The Meister.
- [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 10. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S8] BP1999. [S8]
Beatrix de Clermont 
Children of Beatrix de Clermont and Jean I d‘Armagnac, Comte d’Armagnac
- Mathe d‘Armagnac+ d. 1380
- Jeanne d‘Armagnac+2 d. 1387
James Hamilton of Fingalton and Preston1
Children of James Hamilton of Fingalton and Preston and Agnes Hamilton
- [S6286] Clan MacFarlane and associated clans genealogy, online http://www.clanmacfarlanegenealogy.info. Hereinafter cited as Clan MacFarlane.
Edward de Castilla 
