Hon. Albertina Agnes Mary Denison1 
From 31 July 1873, her married name became Herbert.1 After her marriage, Hon. Albertina Agnes Mary Denison was styled as Baroness Treowen on 20 June 1917.
Children of Hon. Albertina Agnes Mary Denison and Ivor John Caradoc Herbert, 1st and last Baron Treowen
- Hon. Florence Mary Ursula Herbert1
- Elidyr John Bernard Herbert1 b. 1887, d. 12 Nov 1917
- [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 See link for full details for this source. Hereinafter cited as. [S37]
Elidyr John Bernard Herbert1

He graduated from King’s College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, with a Bachelor of Arts (B.A.)1 He was admitted to Inner Temple entitled to practise as a Barrister-at-Law.1 He gained the rank of Captain in the Royal Gloucestershire Hussars Yeomanry.1 He held the office of Justice of the Peace (J.P.) for Monmouthshire.1 He fought in the First World War.1
- [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.
Hon. Florence Mary Ursula Herbert1
From 20 April 1911, her married name became Roch.1
- [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.
Walter Francis Roch1
- [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.
Francis Wickliffe1
Child of Francis Wickliffe and unknown Wentworth
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
unknown Wentworth1
Her married name became Wickliffe.1
Child of unknown Wentworth and Francis Wickliffe
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
Robert Choppyn1
He lived at Newcastle, County Longford, IrelandG.1
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
unknown daughter Gore1
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
