William Douglas, 1st Duke of Queensberry British politician (1637-1695) (1637–1695) Parents Lady Margaret Stewart James Douglas, 2nd Earl of Queensberry Children William Douglas, 1st Earl of March Lord George Douglas James Douglas, 2nd Duke of Queensberry Lady Anne Douglas Siblings Lady Margaret Douglas Lady Henrietta Douglas John Douglas Lady Margaret Douglas Lady Catherine Douglas Lady Mary Douglas James Douglas Lady Isabel Douglas Robert Douglas Partners Lady Isabel Douglas
