Helen Erskine (died 1754) (1687–1754) Parents Lady Mary Maule John Erskine Children Stewart Douglas Jean Douglas Catherine Douglas James Douglas Charles Douglas David Douglas Sir John Douglas, 3rd Baronet Francis Edward Douglas Erskine Douglas Siblings Mary Erskine Mary Erskine Euphemia Erskine Margaret Erskine Sir Charles Erskine Partners Sir William Douglas, 2nd Bt.