Lord Geoffrey Percy

(1925-1984); youngest child of Alan Percy, 8th Duke of Northumberland, and Lady Helen Gordon-Lennox (1925–1984)

Parents

• Helen Percy, Duchess of Northumberland
• Alan Percy, 8th Duke of Northumberland

Children

• Diana Ruth Percy

Siblings

• Lord Richard Percy
• Lady Diana Percy
• Elizabeth Douglas-Hamilton, Duchess of Hamilton and Brandon
• Hugh Percy, 10th Duke of Northumberland
• George Percy, 9th Duke of Northumberland

Partners

• Mary Elizabeth Lea