William Bentinck, 4th Duke of Portland

His Grace The Duke of Portland PC
Portrait by Francis Grant, c. 1852
Lord Privy Seal
In office 30 April 1827 – July 1827
Monarch	George IV
Prime Minister	George Canning
Preceded by	The Earl of Westmorland
Succeeded by	The Earl of Carlisle
Lord President of the Council
In office 17 August 1827 – 21 January 1828
Monarch	George IV
Prime Minister	The Viscount Goderich
Preceded by	The Earl of Harrowby
Succeeded by	The Earl Bathurst
Member of Parliament for Petersfield
In office 29 December 1790 – 18 April 1791
Preceded by	Hon. George North William Jolliffe
Succeeded by	Welbore Ellis William Jolliffe
Member of Parliament for Buckinghamshire
In office 18 April 1791 – 30 October 1809
Preceded by	The Earl Verney James Grenville
Succeeded by	Earl Temple William Selby Lowndes
Personal details
Born	William Henry Cavendish-Bentinck (1768-06-24)24 June 1768 London, England[1]
Died	27 March 1854(1854-03-27) (aged 85) Welbeck Abbey, Nottinghamshire, England
Political party	Conservative
Spouse	Henrietta Scott ​ ​ (m. 1795; died 1844)​
Children	9, including William, John, George, and Henry
Parent(s)	William Cavendish-Bentinck, 3rd Duke of Portland Lady Dorothy Cavendish

William Henry Cavendish-Scott-Bentinck, 4th Duke of Portland, PC (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.