Whig MP for Tavistock 1813-20, Huntingdonshire 1820-26, Bandon 1826-30, Devonshire 1831-32, Devon, Southern 1832-35, Stroud 1835-41, City of London 1847-61
Paymaster of the Forces 1830-34, Home Secretary 1835-39, Secretary of State for War and the Colonies 1839-41, Prime Minister 1846-52, 1865-66, Foreign Secretary 1852-53, 1859-65, Lord President of the Council 1854-55, Colonial Secretary 1855