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Richard Colley Wesley/Wellesley, 2nd Earl of Mornington; 1st Marquess Wellesley; KG, KP, PC, PC (Ire) [1]
- part of the Ascendancy, the old Anglo-Irish aristocracy>
1760 - 1842 (82 years)-
Name Richard Colley Wesley/Wellesley [1] Suffix 2nd Earl of Mornington; 1st Marquess Wellesley; KG, KP, PC, PC (Ire) Birth 20 Jun 1760 Dangan Castle, Summerhill, County Meath, Ireland 
[1] Gender Male Name 22 May 1781 (20 years) Earl of Mornington [1] 2nd Earl of Mornington Married 29 Nov 1794 (34 years) Wellesley lived together for many years with Hyacinthe-Gabrielle Roland, an actress at the Palais Royal. She had three sons and two daughters with 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 Name 1797 (36 years) created a Peer of Great Britain in 1797 as Baron Wellesley Name 1799 (38 years) 1799 became Marquess Wellesley in the Peerage of Ireland Residence 1805 (44 years) Apsley House, Hyde Park Corner, Hyde Park, London Upon the Marquess Wellesley's return to Britain in 1805, he purchased Apsley House as a family home Legal,Law,Arrest 1810 (49 years) Apsley House, Hyde Park Corner, Hyde Park, London The Wellesleys formally separated in 1810, and Rolland moved from Apsley House. She lived in Grosvenor Square for some time, and then at Great Cumberland Place.[13] Married 29 October 1825 (65 years) Following his first wife's death in 1816, he married, on 29 October 1825, the widowed Marianne (Caton) Patterson (died 1853), whose mother Mary was the daughter of Charles Carroll of Carrollton, the last surviving signatory of the United States Declaration of Independence Death 26 Sep 1842 (82 years) On his death, he had no successor in the marquessate, but the earldom of Mornington and minor honours devolved on his brother William, Lord Maryborough, on the failure of whose issue in 1863 they fell to Arthur Wellesley, 2nd Duke of Wellington Interesting fact part of the Ascendancy, the old Anglo-Irish aristocracy [1] Name styled as Viscount Wellesley until 1781, when he succeeded his father as 2nd Earl of Mornington [1] Name Wellesley was born in 1760 in Dangan Castle in County Meath, Ireland, where his family was part of the Ascendancy, the old Anglo-Irish aristocracy [1] Death 26 Sep 1842 [1] Occupation 1781 (20 years) - [Role] Custos Rotulorum of Meath - Due to the extravagance of his father and grandfather, he found himself so indebted that he was ultimately forced to sell all the Irish estates. However, in 1781, he was appointed to the coveted position of Custos Rotulorum of Meath.[3]1784 (23 years) - In 1784, he joined also the British House of Commons as member for the rotten borough of Bere Alston in Devon. Soon afterwards he was appointed a Lord of the Treasury by William Pitt the Younger. 1792 (31 years) - [Bill] The 1792 Slave Trade Bill - The 1792 Slave Trade Bill passed the House of Commons. Mangled and mutilated by the modifications and amendments of Pitt, the Earl of Mornington, Edward James Eliot and the Attorney General, it lay for years in the House of Lords.[4][5]1793 (32 years) - India - In 1793, he became a member of the Board of Control over Indian affairs1798 -1805 (44 years) - [Office] Governor-General of Bengall, Bengal, India - first made his name as fifth Governor-General of Bengal between 1798 and 1805 [1]1797-1808 (47 years) - [Office] Governor-General of India, India - In 1793, he became a member of the Board of Control over Indian affairs; and, although he was best known for his speeches in defence of Pitt's foreign policy, he was gaining the acquaintance with Oriental affairs which made his rule over India so effective from the moment when, in 1797, he accepted the office of Governor-General of India. 1809 (48 years) - [Office] government Ambassador to Spain - In 1809, Wellesley was soon appointed as the British ambassador to Spain by Spencer Perceval. He landed at Cádiz just after the Allies victory at the Battle of Talavera, and he tried to bring the Spanish government into an effective co-operative agreement to support the campaign against the French with his brother, Sir Arthur Wellesley who was commander-in-chief of the British Forces. However, the failure of his allies to cooperate with the British soon forced both allies to retreat after French counter-attacks. 31 Mar 1812 (51 years) - [Member] Knight of the Garter (K.G.), Most Noble Order of the Garter - Twice Lord Lieutenant of Ireland, and one of the original Knights of St Patrick, he surrendered that order on being made a Knight of the Garter on 31 March 1812Association William Wesley/Wesley-Pole, 3rd Earl of Mornington, GCH, PC, PC (Ire); Lord Maryborough (Relationship: earldom of Mornington and minor honours devolved on his brother William, Lo) Person ID I14240 AHP Last Modified 23 Sep 2025
Father Garret Wesley, 1st Earl of Mornington, b. 19 July 1735 d. 22 May 1781 (Age 45 years) Relationship Birth Mother Anne Hill-Trevor/WELLESLEY, e d Arthur Hill-Trevor, 1st Viscount Dungannon Relationship Birth Family ID F4055 Group Sheet | Family Chart
Family 1 Hyacinthe-Gabrielle Roland/WELLESLEY, French actress who became the mistress, and later the wife, of Richard Wellesley, 1st Marquess Wellesley, b. 1766 d. 5 Nov 1816, Teddesley Hall, Staffordshire (Age 50 years) Marriage 29 Nov 1794 Age at Marriage He : 34 years and 5 months - She : ~ 28 years and 11 months. Family ID F4056 Group Sheet | Family Chart Last Modified 23 Sep 2025
Family 2 Marianne Caton/PATTERSON/WELLESLEY d. 1853 Marriage 29 Oct 1825 Age at Marriage He : 65 years and 4 months - She : ??. Family ID F4057 Group Sheet | Family Chart Last Modified 23 Sep 2025
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Event Map 
Occupation - In 1793, he became a member of the Board of Control over Indian affairs - 1793 (32 years) - India 
Residence - Upon the Marquess Wellesley's return to Britain in 1805, he purchased Apsley House as a family home - 1805 - Apsley House, Hyde Park Corner, Hyde Park, London Legal,Law,Arrest - The Wellesleys formally separated in 1810, and Rolland moved from Apsley House. She lived in Grosvenor Square for some time, and then at Great Cumberland Place.[13] - 1810 - Apsley House, Hyde Park Corner, Hyde Park, London 
Occupation - Twice Lord Lieutenant of Ireland, and one of the original Knights of St Patrick, he surrendered that order on being made a Knight of the Garter on 31 March 1812 - 31 Mar 1812 (51 years) - [Member] Knight of the Garter (K.G.), Most Noble Order of the Garter = Link to Google Earth Pin Legend 
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Photos Sir Thomas Lawrence: Richard Colley Wellesley, Marquess of Wellesley (1760-1842) ; between 1812 and 1813
Sir Thomas Lawrence: Richard Colley Wellesley, Marquess of Wellesley (1760-1842) -
https://en.wikipedia.org/wiki/File:Sir_Thomas_Lawrence_(1769-1830)_-_Richard_Colley_Wellesley,_Marquess_Wellesley_(1760-1842)_-_RCIN_400643_-_Royal_Collection.jpg
Histories 
St Ives Consols mine (included Wellesley Mine; Wheal Mary), Stennack, St Ives, Cornwall
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Sources - [S37] Wikipedia.
Richard Colley Wellesley, 1st Marquess Wellesley,[1] KG, KP, PC, PC (Ire) (20 June 1760 – 26 September 1842) was an Anglo-Irish politician and colonial administrator. He was styled as Viscount Wellesley until 1781, when he succeeded his father as 2nd Earl of Mornington. In 1799, he was granted the Irish peerage title of Marquess Wellesley of Norragh. He was also Lord Wellesley in the Peerage of Great Britain.
Richard Wellesley first made his name as fifth Governor-General of Bengal between 1798 and 1805. He later served as Foreign Secretary in the British Cabinet and as Lord Lieutenant of Ireland. In 1799, his forces invaded Mysore and defeated Tipu, the Sultan of Mysore, in a major battle. He also initiated the Second Anglo-Maratha War.
Wellesley 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. His younger brother was Field Marshal Arthur Wellesley, 1st Duke of Wellington.
https://en.wikipedia.org/wiki/Richard_Wellesley,_1st_Marquess_Wellesley
- [S37] Wikipedia.