Lady Mary Kerr (1870-1958) (1870–1958) Parents Victoria Montagu Douglas Scott Schomberg Kerr, 9th Marquess of Lothian Children Elizabeth Susan Kidd Siblings Lady Helen Kerr Lady Isobel Kerr Lady Victoria Kerr Robert Kerr, 10th Marquess of Lothian Lord Schomberg Kerr Walter Kerr, Earl of Ancram Lady Cecil Kerr Lady Margaret Kerr Partners Henry Kidd