Lord Edward Cavendish British politician (1838-1891) (1838–1891) Parents Blanche Howard William Cavendish, 7th Duke of Devonshire Children Victor Cavendish, 9th Duke of Devonshire John Spencer Cavendish Lord Richard Cavendish Siblings Spencer Cavendish, 8th Duke of Devonshire Lord Frederick Cavendish Louisa Cavendish William Cavendish Partners Emma Elizabeth Lascelles