Henry Percy 2nd Earl of Northumberland
an English nobleman and military commander in the lead up to the Wars of the Roses.
He was the son of Henry "Hotspur" Percy, and the grandson of Henry Percy, 1st Earl of Northumberland. His father and grandfather were killed in different rebellions against Henry IV in 1403 and 1408 respectively, and the young Henry spent his minority in exile in Scotland. Only after the death of Henry IV in 1413 was he reconciled with the Crown, and in 1416 he was created Earl of Northumberland