Margaret Wemyss, Countess of Wemyss (1677-1763) (1677–1763) Parents Margaret Wemyss, 3rd Countess of Wemyss James Wemyss, Lord Burntisland Children Lady Anne Carnegie George Carnegie, 6th Earl of Northesk Lady Margaret Carnegie Lady Christian Carnegie Lady Mary Carnegie David Carnegie, 5th Earl of Northesk Lady Henrietta Carnegie James Carnegie Lady Elizabeth Carnegie Siblings Cathren Wemyss Anne Wemyss John Wemyss David Wemyss, 4th Earl of Wemyss Partners David Carnegie, 4th Earl of Northesk