Henry Percy, 4th Earl of Northumberland

Henry Percy
Earl of Northumberland
Quartered arms of Sir Henry Percy, 4th Earl of Northumberland, KG
Spouse(s)	Maud Herbert
Issue Eleanor Percy, Duchess of Buckingham Henry Algernon Percy, 5th Earl of Northumberland Sir William Percy Allan Percy Josceline Percy Arundel Percy Anne Percy Elizabeth Percy
Detail Titles and styles The Earl of Northumberland
Noble family	House of Percy
Father	Henry Percy, 3rd Earl of Northumberland
Mother	Eleanor Poynings
Born	1449 Leconfield, Yorkshire, England
Died	28 April 1489 (aged 40) South Kilvington,Yorkshire, England

Henry Percy, 4th Earl of Northumberland KG (c. 1449 – 28 April 1489) was an English aristocrat during the Wars of the Roses. After losing his title when his father was killed fighting the Yorkists, he later regained his position. He led a major portion of Richard III's army at the Battle of Bosworth, but failed to commit his troops. He was briefly imprisoned by Henry VII, but later restored to his position. A few years later he was murdered by citizens of York during a revolt against Henry VII's taxation.

Percy was the son of Henry Percy, 3rd Earl of Northumberland, and his wife Eleanor Poynings, daughter of Sir Richard Poynings (d. 10 June 1429).

His father was first cousin to (among others) Edward IV of England, Margaret of York, George, Duke of Clarence, and Richard III of England. Percy himself was second cousin to (among others) Elizabeth of York, Edward V of England, Richard, Duke of York, Arthur Plantagenet, 1st Viscount Lisle, Margaret Pole, Countess of Salisbury, Edward, Earl of Warwick, and Edward of Middleham. Both Perkin Warbeck and Lambert Simnel claimed to be his second cousins.