Margaret Dundas (1747-1797) (1747–1797) Parents Robert Dundas Henrietta Carmichael Children Lucy Scott Joan Canning, 1st Viscountess Canning Henrietta Bentinck, Duchess of Portland unknown daughter Scott Siblings Henrietta Dundas Elizabeth Dundas Anne Dundas Francis Dundas Robert Dundas Philip Dundas William Dundas William Baillie Partners John Scott