Catherine Sophia Manners (died 1825) (1769–1825) Parents Louisa Tollemache, 7th Countess of Dysart John Manners Children Edward Lionel Heathcote Gilbert Heathcote, 1st Baron Aveland William Henry Heathcote Siblings Laura Manners Tollemache John Manners Tollemache Maria Caroline Manners Louise Grace, Duchess of St Albans William Tollemache, Lord Huntingtower Charles Tollemache Partners Sir Gilbert Heathcote, 4th Baronet