John Haldane British Member of Parliament (1660-1721) (1660–1721) Parents Anne Grant Mungo Haldane, 13th of Gleneagles Children Margaret Haldane Ann Haldane John Haldane James Haldane Helen Haldane Patrick Haldane, 16th of Gleneagles Robert Haldane, 1st of Airthrey and 17th of Gleneagles Mungo Haldane Siblings Margaret Haldane David Haldane, 1st of Aberuthven Janet Haldane Partners Helen Erskine Mary Drummond