Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Henry Algernon Percy, 5th Earl of Northumberland KG, (13 January 1477 - 19 May 1527) was the eldest son of Henry Percy, 4th Earl of Northumberland and Maud Herbert. His maternal grandparents were William Herbert, 1st Earl of Pembroke (1423-1469) and his wife Anne Devereaux. Edward IV of England made him a Knight Bachelor in 1481. In 1495 he was made a Knight of the Garter. He fought against the Cornish rebels at Blackheath, London in 1497. He was appointed warden-general of the eastern marches in 1503. He served in the War of the League of Cambrai (1508-1516) with a great retinue of his own. He notably served under Henry VIII of England at the Battle of the Spurs, 16 August 1513. The battle was a decisive victory over the forces of Jacques de la Palice, general of Francis I of France. He was appointed a member of the Council of the North in 1522. He is buried at Beverley Minster.