Sarah Cavendish (1763-1849) (1763–1849) Parents Sir Henry Cavendish, 2nd Baronet Sarah Cavendish, 1st Baroness Waterpark Children Frances Webster Henry Arthur Annesley Lady Catherine Annesley Richard Annesley Siblings Richard Cavendish, 2nd Baron Waterpark Anne Cavendish Augustus Bradshaw George Cavendish Frederick Cavendish Deborah Cavendish Catherine Cavendish Partners Arthur Annesley, 1st Earl of Mountnorris