Lady Mary Sackville (1647-1710) (1647–1710) Parents Richard Sackville, 5th Earl of Dorset Frances Sackville Children Mary Boyle Lionel Boyle, 3rd Earl of Orrery Charles Boyle, 4th Earl of Orrery Siblings Lady Anne Sackville Lady Frances Sackville Charles Sackville, 6th Earl of Dorset Partners Roger Boyle, 2nd Earl of Orrery