Richard Wellesley KG, PC

Richard Wellesley KG, PC (1760 - 1842)

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Lord Richard "1st Marquess Wellesley" Wellesley KG, PC
Born in Irelandmap
Ancestors ancestors
Husband of — married (to ) in St Georges, Hanover Square, Londonmap
Husband of — married [location unknown]
Descendants descendants
Died in Kingston House, Brompton, Englandmap
Profile last modified | Created 28 Nov 2011
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British Aristocracy
Richard Wellesley KG, PC was a member of aristocracy in the British Isles.
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3xGreat grandfather to Queen Elizabeth II.

He was the eldest son of Garret Wesley, 1st Earl of Mornington, an Irish peer, and Anne, the eldest daughter of Arthur Hill-Trevor, 1st Viscount Dungannon; and brother of Arthur Wellesley, 1st Duke of Wellington, the famous General who later served as Prime Minister.

Part of the Anglo-Irish Aristocracy, Richard served a year in the Irish House of Commons before succeeding his father as 2nd Earl of Mornington (Marquis Wellesley from 1799), taking his seat in the Irish House of Lords. In 1784 he joined also the British House of Commons as member for Bere Alston. Soon afterwards he was appointed a Lord of the Treasury by William Pitt the Younger. He served as Governor-General in India 1798-1805. Created an English Peer in 1797, he served as ambassador to Spain 1809, and Foreign Secretary 1809-12. A supporter of Catholic Emancipation and an opponent of the Corn Laws, he was Lord Lieutenant of Ireland 1821-8.

Wellesley lived together for many years with Hyacinthe-Gabrielle Roland, an actress at the Palais Royal. She had three sons and two daughters by Wellesley before he married her on 29 November 1794. He moved her to London, where Hyacinthe was generally miserable, as she never learned English and she was scorned by high society: Lady Caroline Lamb was warned by her mother-in-law that no respectable woman could afford to be seen in Hyacinthe's society. Their daughter, Lady William Cavendish-Bentinck, married sequentially Sir William Abdy, 7th Baronet, and Lieutenant Colonel Lord Charles Bentinck, while another daughter, Hyacinthe Mary Wellesley, married Edward Littleton, 1st Baron Hatherton. Through Lady William Cavendish-Bentinck, Wellesley is a great-great-great grandfather to Queen Elizabeth II.

Following his wife's death in 1816, he married, on 29 October 1825, the widowed Marianne (Caton) Patterson, whose mother Mary was the daughter of Charles Carroll of Carrollton, the last surviving signatory of the United States Declaration of Independence; her former sister-in-law was Elizabeth Patterson Bonaparte. They had no children.


  • C. A. Bayly, ‘Wellesley , Richard, Marquess Wellesley (1760–1842)’, Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, Jan 2011 accessed 18 Oct 2016

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No known carriers of Richard's Y-chromosome or his mother's mitochondrial DNA have taken yDNA or mtDNA tests.

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Richard is 23 degrees from Robin Helstrom, 21 degrees from Katy Jurado and 8 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.

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