ウェイクフィールドの戦い
Edmund died at the age of seventeen either during or shortly after the Battle of Wakefield (30 December 1460) during the Wars of the Roses. He had fought in the battle at the side of his father. After the tide of battle turned against his father he attempted to escape over Wakefield Bridge, but was overtaken and killed, possibly by the Lancastrian Lord Clifford, to avenge Clifford's father's death at the First Battle of St Albans.