William Bentinck, 4th Duke of Portland
The Duke of Portland
KG FRS FSA
|Lord Privy Seal|
30 April 1827 – July 1827
|Prime Minister||George Canning|
|Preceded by||The Earl of Westmorland|
|Succeeded by||The Earl of Carlisle|
|Lord President of the Council|
17 August 1827 – 21 January 1828
|Prime Minister||The Viscount Goderich|
|Preceded by||The Earl of Harrowby|
|Succeeded by||The Earl Bathurst|
|Born||24 June 1768|
|Died||27 March 1854|
|Spouse(s)||Henrietta Scott (d. 1844)|
|Alma mater||Christ Church, Oxford|
William Henry Cavendish Cavendish-Scott-Bentinck, 4th Duke of Portland KG FRS FSA (24 June 1768 – 27 March 1854), styled Marquess of Titchfield until 1809, was a British politician who served in various positions in the governments of George Canning and Lord Goderich.
Background and education
Portland was the eldest son of Prime Minister William Cavendish-Bentinck, 3rd Duke of Portland and Lady Dorothy, daughter of William Cavendish, 4th Duke of Devonshire and Charlotte Boyle, Baroness Clifford. He was the elder brother of Lord William Bentinck and Lord Charles Bentinck. He was educated at Westminster School and Christ Church, Oxford.
Portland was Member of Parliament for Petersfield between 1790 and 1791 and for Buckinghamshire between 1791 and 1809. and served under his father as a Lord of the Treasury between March and September 1807. He remained out of office until April 1827 when he was appointed Lord Privy Seal by his brother-in-law George Canning. He was sworn of the Privy Council the same year. When Lord Goderich became Prime Minister in August 1827, Portland became Lord President of the Council, an office he retained until the government fell in January 1828.
Portland married Henrietta, daughter of General John Scott and his wife Margaret (née Dundas), in London on 4 August 1795. At the time of his marriage he obtained Royal Licence to take the name "Scott" in addition to that of Bentinck. They were parents of nine children:
- William Henry Cavendish-Bentinck, Marquess of Titchfield (21 August 1796 – 4 March 1824). His birth was commemorated by his paternal grandfather's commissioning of the Portland Font.
- Lady Margaret Harriet (21 April 1798 – 9 April 1882)
- Lady Caroline (6 July 1799 – 23 January 1828)
- William John Cavendish, Marquess of Titchfield, later 5th Duke of Portland (12 September 1800 – 6 December 1879).
- Lord (William) George Frederick (27 February 1802 – 21 September 1848).
- Lord Henry William Bentinck (9 June 1804 – 31 December 1870).
- Lady Charlotte (14 Jan 1806 – 30 September 1889). Married John Evelyn Denison, 1st Viscount Ossington.
- Lady Lucy Joan (27 August 1807 – 29 July 1899) Married Charles Ellis, 6th Baron Howard de Walden.
- Lady Mary (8 July 1809 – 20 July 1874). Married Sir William Topham.
The department of Manuscripts and Special Collections, The University of Nottingham holds a number of papers relating to Portland: His personal and political papers (Pw H) are part of the Portland (Welbeck) Collection while the Portland (London) Collection (Pl) contains papers relating to his estate business. The Portland Estate Papers held at Nottinghamshire Archives also contain items relating to Portland's properties.
- William Bentinck, Marquess of Titchfield (1768–1795)
- William Scott-Bentinck, Marquess of Titchfield (1795–1801)
- William Cavendish-Scott-Bentinck, Marquess of Titchfield (1801–1809)
- William Cavendish-Scott-Bentinck, 4th Duke of Portland (1809–1854)
William Bentinck, 4th Duke of Portland
- thepeerage.com William Henry Cavendish-Scott-Bentinck, 4th Duke of Portland
- leighrayment.com House of Commons: Paddington to Platting
- leighrayment.com House of Commons: Bristol to Buteshire and Caithness
- The London Gazette: . 1 May 1827.
- The London Gazette: . 21 August 1827.
- The British Museum: Portland Font
- Hansard 1803–2005: contributions in Parliament by the Duke of Portland
- Biography of the 4th Duke, with links to online catalogues, from Manuscripts and Special Collections, The University of Nottingham