John Douglas (1756-1818) (1756–1818) Parents Bridget Heathcote James Douglas, 14th Earl of Morton Children George Douglas, 17th Earl of Morton Frances Douglas Edward Douglas-Pennant, 1st Baron Penrhyn Charles Douglas Harriet Hamilton Gordon, Countess of Aberdeen Lady Caroline Douglas Lady Elizabeth Emma Douglas Siblings Lady Bridget Douglas Sholto Douglas, 15th Earl of Morton Lady Mary Douglas George Douglas Lady Frances Douglas Partners Frances Lascelles