Barons Waterpark (1792) Sarah Cavendish, 1st Baroness Waterpark (1740-1807) Richard Cavendish, 2nd Baron Waterpark (1765-1830) Henry Manners Cavendish, 3rd Baron Waterpark (1793-1863) Henry Anson Cavendish, 4th Baron Waterpark (1839-1912) Charles Frederick Cavendish, 5th Baron Waterpark (1883-1932) Henry Sheppard Hart Cavendish, 6th Baron Waterpark (1876-1948) Frederick Caryll Phillip Cavendish, 7th Baron Waterpark (b. 1926)