Henry Pelham Fiennes Pelham-Clinton, 5th duke of Newcastle under Lyme (1811–64)

Landowner and politician. Styled the earl of Lincoln until 1851. BA, Oxford, 1832. MP for South Nottinghamshire, 1832–46. First commisioner of woods and forests, 1841; chief secretary for Ireland, 1846. MP for Falkirk burghs, 1846. Divorced his wife in 1850. Succeeded to the dukedom in 1851. Secretary for the colonies, 1852–4. Secretary of state for war, 1854–5; resigned in disgrace over conduct of the Crimean War. Colonial secretary, 1859–64.