Henry Cavendish, 3rd Baron Waterpark British politician (1793–1863) Parents Juliana Cooper Richard Cavendish, 2nd Baron Waterpark Children Henry Cavendish, 4th Baron Waterpark Susan Fredrica Cavendish Adelaide Cavendish Eliza Anne Cavendish Siblings George John Cavendish Augustus Cavendish Frederick Cavendish Sarah Cavendish Thomas Cavendish Catherine Cavendish Hon. Richard Cavendish Juliana Cavendish Partners Eliza Jane Cavendish