Mary Drummond Drummond [married name Keith], Mary, Countess Marischal (1675–1729), Jacobite sympathizer (1675–1729) Parents Lady Jean Douglas James Drummond, 4th Earl of Perth Children Lady Mary Keith Lady Anne Keith James Francis Edward Keith George Keith, 10th Earl Marischal Siblings James Drummond, 2nd Duke of Perth John Drummond, 5th Duke of Perth Edward Drummond, 6th Duke of Perth Partners William Keith, 9th Earl Marischal