Lord Charles Bentinck

Lieutenant-Colonel The Right Honourable
Lord Charles Bentinck
Treasurer of the Household
In office
29 July 1812  28 April 1826
Monarch George III
George IV
Prime Minister The Earl of Liverpool
Preceded by Viscount Jocelyn
Succeeded by Sir William Henry Fremantle
Personal details
Born 3 October 1780 (1780-10-03)
Died 28 April 1826 (1826-04-29) (aged 45)
Nationality British
Spouse(s) (1) Georgiana Seymour
(d. 1813)
(2) Lady Anne Wellesley
(c. 1795–1875)

Lieutenant-Colonel Lord William Charles Augustus Cavendish-Bentinck (3 October 1780 – 28 April 1826), known as Lord Charles Bentinck, was a British soldier and politician and a great-great-grandfather of Queen Elizabeth II.


Bentinck was the third son of British Prime Minister William Cavendish-Bentinck, 3rd Duke of Portland and Lady Dorothy (1750–1794), daughter of Prime Minister William Cavendish, 4th Duke of Devonshire. William Bentinck, 4th Duke of Portland, and Lord William Bentinck were his elder brothers.[1]

Political career

Bentinck was returned to Parliament for Ashburton in 1806, a seat he held until 1812.[2] He served under the Earl of Liverpool as Treasurer of the Household between 1812[3] and 1826.


Bentinck married, firstly, Georgiana Augusta Frederica Seymour (baptized Elliott) (1782-10 December 1813), daughter of the courtesan Mrs Grace Elliott on 21 September 1808; she was said to be a daughter of the Prince of Wales or of the 4th Earl of Cholmondeley, both men claiming her paternity.[4] They had one daughter, who was raised after Georgiana's death by Lord Cholmondeley, according to the entry on Grace Elliott. The marriage enabled Bentinck to become Treasurer of the Household in 1812, a position he held till death, despite his involvement in a notorious divorce suit and his subsequent remarriage.[5]

In 1815 he eloped with his mistress, Lady Abdy, daughter of Richard Wellesley, 1st Marquess Wellesley, and Hyacinthe Gabrielle Roland, and wife of Bentinck's friend Sir William Abdy, 7th Baronet. Lady Anne was divorced by her husband, and she and Bentinck were married on 16 July 1816. They had four children:

Abdy-Cavendish divorce

Anne and Lord Charles became lovers at some point during her first marriage. They eloped on 5 September 1815, following which Abdy brought a suit for criminal conversation (crim.con. in Regency parlance) for 30,000 pounds but won only 7,000 pounds in damages. (These damages were never paid by the impecunious Bentinck). During the discussion of the divorce bill, the customary provision against remarriage was struck out in the House of Lords. Lady Abdy (or rather, her husband Sir William Abdy) was granted a divorce on 25 June 1816. Anne and Lord William were married on 23 July 1816, enabling their first child (which she was expecting) to be born legitimate three weeks later.[6]

Bentinck died on 28 April 1826 at age 45. His wife survived him by almost 50 years and died in March 1875.[1]



  1. 1 2 thepeerage.com Lt.-Col. Lord William Charles Augustus Cavendish-Bentinck
  2. leighrayment.com House of Commons: Arundel to Ayrshire South
  3. The London Gazette: no. 16632. p. 1579. 11 August 1812.
  4. R.G. Thorne, "CAVENDISH BENTINCK, Lord William Charles Augustus (1780-1826) reference in his biographical entry pp. 421-2 to his wife's parentage, in his book The House of Commons, see p. 421. Referenced through Google Books, 17 November 2012
  5. Thorne, see above
  6. R.G. Thorne, p. 422.
Parliament of the United Kingdom
Preceded by
Walter Palk
Hon. Gilbert Elliot
Member of Parliament for Ashburton
With: Hon. Gilbert Elliot 1807–1811
John Sullivan 1811–1812
Succeeded by
John Sullivan
Richard Preston
Political offices
Preceded by
Viscount Jocelyn
Treasurer of the Household
Succeeded by
Sir William Henry Fremantle
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