Henry Edmund Fitzalan-Howard, 2nd Viscount FitzAlan of Derwent1 
He was educated at Oratory School, Oxfordshire, EnglandG.2 He was educated at New College, Oxford University, Oxford, Oxfordshire, EnglandG.2 He gained the rank of Captain in the 11th Hussars.2 He fought in the First World War between 1914 and 1916, where he was wounded.2 He was Assistant Private Secretary to the Lord-Lieutenant of Ireland in 1921.3 He was appointed Officer, Order of the British Empire (O.B.E.) in 1922.2 He succeeded as the 2nd Viscount Fitzalan of Derwent, of Derwent, co. Derby [U.K., 1921] on 18 May 1947.2 He was director of National Bank.3 He was director of Pullman Car Company.3 He was director of British Central Africa Company.3
Children of Henry Edmund Fitzalan-Howard, 2nd Viscount FitzAlan of Derwent and Joyce Elizabeth Mary Langdale
- Hon. Alathea Gwendoline Alys Mary Fitzalan-Howard4 b. 24 Nov 1923, d. 5 Mar 2001
- Hon. Elizabeth-Anne Marie Gabrielle Fitzalan-Howard+5 b. 26 Jan 1934, d. 20 Mar 1997
- [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 124. Hereinafter cited as The New Extinct Peerage.
- [S21] L. G. Pine, The New Extinct Peerage, page 125.
- [S7506] Bruce Mathers, “re: Mainwaring Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 29 March 2015. Hereinafter cited as “re: Mainwaring Family.”
- [S37] BP2003 volume 1, page 1190. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
Joyce Elizabeth Mary Langdale1 
From 9 May 1922, her married name became Fitzalan-Howard. After her marriage, Joyce Elizabeth Mary Langdale was styled as Viscountess Fitzalan of Derwent on 18 May 1947. From 3 April 1956, her married name became Wentworth-Fitzwilliam.
Children of Joyce Elizabeth Mary Langdale and Henry Edmund Fitzalan-Howard, 2nd Viscount FitzAlan of Derwent
- Hon. Alathea Gwendoline Alys Mary Fitzalan-Howard2 b. 24 Nov 1923, d. 5 Mar 2001
- Hon. Elizabeth-Anne Marie Gabrielle Fitzalan-Howard+2 b. 26 Jan 1934, d. 20 Mar 1997
- [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 125. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 2, page 2817. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Mary Caroline Magdalan Fitzalan-Howard1 
Hon. Mary Caroline Magdalan Fitzalan-Howard usually went by her middle name of Magdalan.2
- [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 124. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 2, page 2912. See link for full details for this source. Hereinafter cited as. [S37]
William Thomas George Wentworth-Fitzwilliam, 10th Earl Fitzwilliam 
William Thomas George Wentworth-Fitzwilliam, 10th Earl Fitzwilliam was born on 28 May 1904. He was the son of George Charles FitzWilliam and Daisy Evelyn Lyster. He married Joyce Elizabeth Mary Langdale, daughter of Colonel Philip Joseph Langdale and Gertrude Lysley Derriman, on 3 April 1956.2 He died in 1979.
He gained the title of 10th Earl Fitzwilliam, co. Tyrone [I., 1716].
Standish O’Grady, 3rd Viscount Guillamore1 
He succeeded as the 3rd Baron O’Grady, of Rockbarton, co. Limerick [I., 1831] on 22 July 1848.1 He succeeded as the 3rd Viscount Guillamore, of Cahir Guillamore, co. Limerick [I., 1831] on 22 July 1848.1
Child of Standish O’Grady, 3rd Viscount Guillamore and Adelaide Blennerhassett
- Hon. Cecila O’Grady+2 b. 24 Jun 1855, d. 17 Sep 1919
- [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 139. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 1, page 1414. See link for full details for this source. Hereinafter cited as. [S37]
Adelaide Blennerhassett1 
After her marriage, Adelaide Blennerhassett was styled as Viscountess Guillamore on 23 July 1853. From 23 July 1853, her married name became O’Grady.
Child of Adelaide Blennerhassett and Standish O’Grady, 3rd Viscount Guillamore
- Hon. Cecila O’Grady+ b. 24 Jun 1855, d. 17 Sep 1919
- [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 139. Hereinafter cited as The New Extinct Peerage.
- [S47] BIFR1976 Blennerhassett, page 141. See link for full details for this source. Hereinafter cited as. [S47]
Captain Arthur Blennerhassett1 
He graduated from Trinity College, Dublin University, Dublin, County Dublin, IrelandG, in 1820 with a Bachelor of Arts (B.A.)1 He held the office of High Sheriff in 1821.1 He gained the rank of Captain in the Kerry Yeomen (Elmgrove and Blennerville Unit.)1 He held the office of Member of Parliament (M.P.) for County Kerry between 1837 and 1841.1 He lived at Ballyseedy, County Kerry, IrelandG.1
Children of Captain Arthur Blennerhassett and Frances Deane O’Grady
- Adelaide Blennerhassett+2 d. 4 Dec 1867
- Dorcas Blennerhassett1
- Amelia Blennerhassett+1 d. 3 Aug 1887
- Frances Annabella Blennerhassett+1 d. 30 May 1907
- Henry Deane Blennerhassett1 b. 1828, d. Jan 1850
- Charles John Allanson Winn Blennerhassett+1 b. 1830, d. 9 Dec 1859
- [S47] BIFR1976 Blennerhassett, page 141. See link for full details for this source. Hereinafter cited as. [S47]
- [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 139. Hereinafter cited as The New Extinct Peerage.
Peggy Michell Gaskell1 
From before 1949, her married name became Reeves.1 From 23 May 1949, her married name became Baring.1
Vice-Admiral Sir Arthur Gaskell1
He was appointed Fellow, Royal College of Surgeons (F.R.C.S.)1 He lived at Greenwood, Fareham, Hampshire, EnglandG.1 He was appointed Officer, Order of the British Empire (O.B.E.)1 He gained the rank of Surgeon Vice-Admiral in the Royal Navy.1 He was appointed Knight Commander, Order of the Bath (K.C.B.)1
Children of Vice-Admiral Sir Arthur Gaskell and Sophie Maria Grace Michell
- Peggy Michell Gaskell1
- John Gaskell2
- Peter Hunter Gaskell2 b. 10 May 1915, d. 15 Aug 1944
Alexander Cunningham1 
Child of Alexander Cunningham
- Charlotte Cunningham+1 d. 22 Jan 1893
- [S34] BP1970 page 305. See link for full details for this source. Hereinafter cited as. [S34]
