Hon. Elizabeth Susan Drummond-Burrell1 
- [S37] BP2003 volume 3, page 4196. See link for full details for this source. Hereinafter cited as. [S37]
- [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 140. Hereinafter cited as The New Extinct Peerage.
Sophia Campbell1 
From 10 December 1840, her married name became Burrell.1
Child of Sophia Campbell and Peter Robert Burrell, 4th Baron Gwydyr
- Willoughby Merrik Campbell Burrell, 5th Baron Gywdyr+1 b. 26 Oct 1841, d. 13 Feb 1915
- [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 140. Hereinafter cited as The New Extinct Peerage.
Frederick William Campbell1
Child of Frederick William Campbell
- Sophia Campbell+1 d. 14 Mar 1843
- [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 140. Hereinafter cited as The New Extinct Peerage.
Willoughby Merrik Campbell Burrell, 5th Baron Gywdyr1 
He was educated at Eton College, Windsor, Berkshire, England.2 He gained the rank of Captain in the Rifle Brigade.1 He was appointed Fellow, Royal Geographical Society (F.R.G.S.)1 He gained the rank of Honorary Colonel in the 4th Battalion, Suffolk Regiment.1 He gained the title of 6th Baronet Burrell, of West Grinstead Park, co. Sussex [G.B., 1766] on 3 April 1909. He succeeded as the 5th Baron Gwydyr, of Gwydr, co. Carnarvon [G.B., 1796] on 3 April 1909.1 On his death his titles expired.2
Children of Willoughby Merrik Campbell Burrell, 5th Baron Gywdyr and Mary Bankes
- Hon. Catherine Mary Sermonda Burrell+1 d. 24 Nov 1958
- Hon. John Percy Burrell1 b. 11 Feb 1873, d. 17 Aug 1902
- Randulphus Clement Robert Burrell1 b. 2 Nov 1876, d. 13 Nov 1882
- [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 140. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 3, page 4196. See link for full details for this source. Hereinafter cited as. [S37]
Georgina Holford1 
From 8 May 1856, her married name became Burrell.1 After her marriage, Georgina Holford was styled as Baroness Gwydyr on 26 August 1870.
Child of Georgina Holford and Peter Robert Burrell, 4th Baron Gwydyr
- Hon. Cicely Burrell1 b. 2 Jan 1858
- [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 140. Hereinafter cited as The New Extinct Peerage.
Hon. William Peregrine Peter Burrell1 
- [S37] BP2003 volume 3, page 4196. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Cicely Burrell1 
- [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 140. Hereinafter cited as The New Extinct Peerage.
Mary Bankes1 
From 4 September 1873, her married name became Burrell.1
Children of Mary Bankes and Willoughby Merrik Campbell Burrell, 5th Baron Gywdyr
- Hon. Catherine Mary Sermonda Burrell+1 d. 24 Nov 1958
- Hon. John Percy Burrell1 b. 11 Feb 1873, d. 17 Aug 1902
- Randulphus Clement Robert Burrell1 b. 2 Nov 1876, d. 13 Nov 1882
- [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 140. Hereinafter cited as The New Extinct Peerage.
Sir Thomas Bankes1
Child of Sir Thomas Bankes
- Mary Bankes+2 d. 26 Jun 1898
- [S37] BP2003 volume 3, page 4196. See link for full details for this source. Hereinafter cited as. [S37]
- [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 140. Hereinafter cited as The New Extinct Peerage.
Randulphus Clement Robert Burrell1 
- [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 140. Hereinafter cited as The New Extinct Peerage.