Henry Percy, 11th Duke of Northumberland

Henry Alan Walter Richard Percy, 11th Duke of Northumberland (1 July 1953 – 31 October 1995), styled Earl Percy until 1988, was a British peer from the Percy family.

His Grace The Duke of Northumberland
Portrait by Allan Warren
Tenure	11 October 1988 (1988-10-11)– 31 October 1995 (1995-10-31)
Predecessor	The 10th Duke of Northumberland
Successor	The 12th Duke of Northumberland
Born	Henry Alan Walter Richard Percy, Earl Percy (1953-07-01)1 July 1953 Hounslow, London[1]
Died	31 October 1995(1995-10-31) (aged 42) London, United Kingdom
Nationality	British
Parents	Hugh Percy, 10th Duke of Northumberland Lady Elizabeth Montagu Douglas Scott

He was born at Syon House,^[1] the ducal residence at Brentford, the eldest son and heir of Hugh Percy, 10th Duke of Northumberland, and his wife, the former Lady Elizabeth Montagu Douglas Scott, daughter of the 8th Duke of Buccleuch. He was a godchild of Queen Elizabeth II. His other godparents included his uncle Lord Richard Percy, his aunt the Countess of Dalkeith, and the Countess of Cromer.^[2]

He was educated at Eton College and Christ Church, Oxford. After succeeding to the dukedom on the death of his father on 11 October 1988, he was noted for planting many trees at Syon House; for an unsuccessful foray into film-making involving the Duke in front of and behind the camera; for romantic relationships with Naomi Campbell's mother, Valerie, and with American actress Barbara Carrera; and for excessive and adventurous drug taking.^[3]

Percy was diagnosed with chronic fatigue syndrome.^[4] He never married, and died aged 42 from heart failure after an overdose of amphetamines.^[3][5]

He was succeeded to the dukedom by his younger brother Lord Ralph Percy.