John Mowbray, 3rd Duke of Norfolk

John Mowbray, 3rd Duke of Norfolk, , Earl Marshal (12 September 1415 – 6 November 1461) was a fifteenth-century English magnate who, despite having a relatively short political career, played a significant role in the early years of the Wars of the Roses. Mowbray was born in 1415, the only son and heir of John de Mowbray, 2nd Duke of Norfolk, and Katherine Neville.

Source: Wikipedia — John Mowbray, 3rd Duke of Norfolk (CC BY-SA 4.0)