Barbara Johnstone (died 1765) (1723–1765) Parents Sir James Johnstone, 3rd Baronet Barbara Murray Children George Kinnaird, 7th Lord Kinnaird Helen Dana Siblings Margaret Ogilvy Sir James Johnstone, 4th Baronet Sir William Pulteney, 5th Baronet George Johnstone John Johnstone Partners Charles Kinnaird, 6th Lord Kinnaird