Lord Frederick FitzClarence
British general; fifth child and third illegitimate son of William IV and Dorothea Jordan
About Lord Frederick FitzClarence
Lived 1799 – 1854 (aged 54). Lord Frederick FitzClarence was a British military officer.
Lieutenant-General Lord Frederick FitzClarence, GCH (9 December 1799 – 30 October 1854) was a British Army officer and the third, recognised, illegitimate son of King William IV by his mistress Dorothea Jordan.
Military career FitzClarence was commissioned as an officer in the British Army in 1814. While a captain in the Coldstream Guards, FitzClarence commanded a small detachment of Guards to act in support of the police with the arrest of the Cato Street conspirators in 1820.
FitzClarence gained the rank of colonel in the 36th (Herefordshire) Regiment of Foot. and then Commander-in-Chief of the Bombay Army in 1852. He died in office in October 1854.
Family On 19 May 1821, he married Lady Augusta Boyle (d. 28 July 1876), the third daughter of the 4th Earl of Glasgow. They had two children:
Augusta Georgiana Frederica FitzClarence (December 1823 – 18 September 1855) William FitzClarence (b. & d. 1827)
Ancestry
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Important facts
People in Lord Frederick FitzClarence's life
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Contemporaries
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Frequently asked questions
Who was Lord Frederick FitzClarence?
British general; fifth child and third illegitimate son of William IV and Dorothea Jordan
When was Lord Frederick FitzClarence born?
Lord Frederick FitzClarence was born on 9 December 1799 in London.
When did Lord Frederick FitzClarence die?
Lord Frederick FitzClarence died on 30 October 1854 in Pune.
What was Lord Frederick FitzClarence's occupation?
Lord Frederick FitzClarence was a military officer.
What nationality was Lord Frederick FitzClarence?
Lord Frederick FitzClarence was British.
Sources & further reading
· Wikipedia: Lord Frederick FitzClarence
· DBpedia: Lord Frederick FitzClarence
Cite this page
APA: Biography.guide. (2026). Lord Frederick FitzClarence. https://biography.guide/lord-frederick-fitzclarence/
MLA: "Lord Frederick FitzClarence." Biography.guide, https://biography.guide/lord-frederick-fitzclarence/.
Chicago: "Lord Frederick FitzClarence." Biography.guide. https://biography.guide/lord-frederick-fitzclarence/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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