Lady Mary Sackville

Parents

• John Sackville, 3rd Duke of Dorset
• Arabella Diana Cope

Children

Siblings

• Elizabeth Sackville-West, Countess De La Warr
• George Sackville, 4th Duke of Dorset

Partners

• Other Windsor, 6th Earl of Plymouth
• William Amherst, 1st Earl Amherst