Cordelia Anne Colborne1
Her married name became Yonge.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 247. Hereinafter cited as The New Extinct Peerage.
Reverend Duke Yonge1
He was the Vicar at Antony, Cornwall, EnglandG.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 247. Hereinafter cited as The New Extinct Peerage.
Elizabeth Yonge1 
From 21 June 1814, her married name became Colborne.1 After her marriage, Elizabeth Yonge was styled as Baroness Seaton of Seaton on 14 December 1839.
Children of Elizabeth Yonge and Field Marshal John Colborne, 1st Baron Seaton of Seaton
- Hon. Jane Colborne1 d. 14 Jun 1919
- unknown daughter Colborne1
- unknown daughter Colborne1
- James Colborne, 2nd Baron Seaton of Seaton+1 b. 1816, d. 11 Oct 1888
- General Hon. Sir Francis Colborne1 b. 23 Apr 1817, d. 26 Nov 1895
- Hon. Edmund Colborne,+1 b. 1824, d. 12 May 1878
- Rev. Hon. Graham Colborne1 b. 10 Oct 1825, d. 30 Oct 1913
- Colonel Hon. John Colborne1 b. 1830, d. 13 Feb 1890
- [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 248. Hereinafter cited as The New Extinct Peerage.
Reverend John Yonge1 
He lived at Puslinch, Devon, EnglandG.1 He graduated from Exeter College, Oxford University, Oxford, Oxfordshire, England, in 1740 with a Bachelor of Arts (B.A.)2 He graduated from Exeter College, Oxford University, Oxford, Oxfordshire, England, in 1744 with a Master of Arts (M.A.)2 He was the Rector at Newton Ferrers, Devon, England.1
Children of Reverend John Yonge and Elizabeth Duke
- Elizabeth Yonge+1 d. 28 Nov 1872
- Dorothy Ayre Yonge+3
- [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 248. Hereinafter cited as The New Extinct Peerage.
- [S5792] Robin Dening, “re: Rochfort Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 2 January 2012. Hereinafter cited as “re: Rochfort Family.”
- [S40] L. G. Pine, editor, Burke’s Genealogical and Heraldic History of the Landed Gentry, 17th edition, (London, England: Burke’s Peerage Ltd, 1952), page 50. Hereinafter cited as Burke’s Landed Gentry, 17th ed.
James Colborne, 2nd Baron Seaton of Seaton1 
He was Military Secretary to the Commander of Forces in Ireland.1 He succeeded as the 2nd Baron Seaton of Seaton, co. Devon [U.K., 1839] on 17 April 1863.1
Children of James Colborne, 2nd Baron Seaton of Seaton and Hon. Charlotte de Burgh
- Hon. Alice Constantia Maria Colborne1 d. 5 Sep 1943
- unknown daughter Colborne1
- unknown daughter Colborne1
- unknown daughter Colborne1
- John Reginald Upton Eliott-Drake-Colborne, 3rd Baron Seaton of Seaton1 b. 4 Jul 1854, d. 11 Aug 1933
- Colonel Hon. Francis Lionel Lydstone Colborne1 b. 29 Jul 1855, d. 8 Sep 1924
- James Ulysses Graham Raymond Colborne-Vivian, 4th Baron Seaton of Seaton1 b. 20 Apr 1863, d. 12 Mar 1955
- Hon. Charlotte Annette Maria Colborne1 b. 20 Apr 1863, d. 12 Feb 1877
- [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 248. Hereinafter cited as The New Extinct Peerage.
General Hon. Sir Francis Colborne1 
He was appointed Knight Commander, Order of the Bath (K.C.B.)1 He was Colonel of the Royal Warwick Regiment in Hong Kong and the Straits Settlement.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 248. Hereinafter cited as The New Extinct Peerage.
Hon. Edmund Colborne,1 
He graduated from Exeter College, Oxford University, Oxford, Oxfordshire, EnglandG, with a Master of Arts (M.A.)1
Child of Hon. Edmund Colborne, and Rhoda Ellen Blogg
- Edith Cordelia Colborne1 b. 3 Sep 1876
- [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 248. Hereinafter cited as The New Extinct Peerage.
Rhoda Ellen Blogg1 
From 5 June 1873, her married name became Colborne.1
Child of Rhoda Ellen Blogg and Hon. Edmund Colborne,
- Edith Cordelia Colborne1 b. 3 Sep 1876
- [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 248. Hereinafter cited as The New Extinct Peerage.
George Blogg1
Child of George Blogg
- Rhoda Ellen Blogg+1 d. 23 Nov 1913
- [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 248. Hereinafter cited as The New Extinct Peerage.
Edith Cordelia Colborne1 
From 25 April 1903, her married name became Mackrell.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 248. Hereinafter cited as The New Extinct Peerage.