Input (grade 13): Along with his younger brother Richard of Shrewsbury, Duke of York, Edward was one of the Princes in the Tower, who disappeared after being sent (ostensibly for their own safety) to the Tower of London.
Output (grade 6): He sent Prince Edward to live in the Tower of London and wait for his coronation. He also got Edward's younger brother, Prince Richard, Duke of York, to come and live at the Tower.