Fiennes Cornwallis

Fiennes Cornwallis
Born Fiennes Wykeham-Martin
(1831-11-01)1 November 1831
Leeds Castle, Kent, England
Died 24 April 1867(1867-04-24) (aged 35)
Banbury , Oxfordshire, England
Cause of death Hunting Accident
Nationality United Kingdom British
Education Eton College
Occupation soldier
Employer British Army
Spouse(s) Harriet Elizabeth (née Mott)
Children 4
Parent(s) Charles Wykeham Martin and Lady Jemima Isabella
Relatives James Mann, 5th Earl Cornwallis

Major Fiennes Cornwallis, born Fiennes Wykeham-Martin (1 November 1831 – 24 April 1867), was a British Army officer and related to the Cornwallis family.

Early life

Born[1] 1 November 1831 at Leeds Castle, Kent, England. Son of Charles Wykeham Martin M.P.[2] and Lady Jemima Isabella (née Mann)[3] and was educated at Eton College.[4]

Family life

Major Cornwallis, Married Harriet Elizabeth (née Mott), daughter of John Thomas Mott on 29 July 1863 and had 4 children.[5] The eldest became 1st Baron Cornwallis.

Cornwallis was the grandson of James Mann, 5th Earl Cornwallis; the great-grandson of James Cornwallis, 4th Earl Cornwallis; the 2nd great-grandson of Charles Cornwallis, 1st Earl Cornwallis; the 3rd great-grandson of Charles Cornwallis, 4th Baron Cornwallis; the 4th great-grandson of Charles Cornwallis, 3rd Baron Cornwallis; the 5th great-grandson of Charles Cornwallis, 2nd Baron Cornwallis; the 6th great-grandson of Frederick Cornwallis, 1st Baron Cornwallis; and the 7th great-grandson of Jane Cornwallis, and Elizabeth Richardson, 1st Lady Cramond. His other ancestors include Edward Cornwallis, Frederick Cornwallis, Charles Cornwallis, 1st Marquess Cornwallis, William Cornwallis, and Charles Cornwallis, 2nd Marquess Cornwallis.

Military career

Served in the Crimean War with the 4th Light Dragoons[6] and took part in the Charge of the Light Brigade,[7] becoming aide-de-camp to Lord George Paget in the Crimea.[8]

Later life

Cornwallis retired from the Army on 5 May 1863 with the rank of Major and died few years later on 24 April 1867 in a hunting accident.



  1. Born and baptised Fiennes Wykeham-Martin, changed surname to Cornwallis by Royal Licenses 15 October 1859 in accordance with the will of Caroline Cornwallis (The London Gazette: no. 22319. p. 3858. 25 October 1859. Retrieved 15 August 2011.).
  2. 11 September 1801 – 30 October 1870
  3. 25 December 1806 – 17 December 1836
  4. Old Etonians born in 1830's
  5. Children were:-
  6. With the following ranks
  7. Battle of Balaclava, 25 October 1854
  8. Letters Written from The Crimea to Several Members of his Family. CORNWALLIS, (Major Fiennes).
    Collected and Edited by Mrs. Wykeham Martin, of Leeds Castle


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