William Cavendish, 7th Duke of Devonshire

William Cavendish, 7th Duke of Devonshire (27 April 1808 – 21 December 1891), styled Lord Cavendish of Keighley between 1831 and 1834 and Earl of Burlington between 1834 and 1858, was an English aristocrat, landowner, property developer, industrialist, benefactor, and prominent politician.