Lady Mary Sackville (died 1778) (1746–1778) Parents Lady Frances Leveson-Gower Lord John Sackville Children Sackville Tufton, 9th Earl of Thanet Lady Caroline Tufton Henry Tufton, 11th Earl of Thanet John Tufton Lady Elizabeth Tufton Charles Tufton, 10th Earl of Thanet Siblings John Sackville, 3rd Duke of Dorset Partners Sackville Tufton, 8th Earl of Thanet
