 For his alleged projected rebellion he was proclaimed an outlaw at Ipswich, 26 December 1502, and with his brothers William (arrested on suspicion and sent to the Tower, which he never left, early in 1502) and Richard, was attainted in Parliament January 1503/4, whereby all his honours were forfeited, backdated to 1 July 1499.Seward relates that throughout this period until Edmund's death he used a Thomas Killingworth, gentleman of East Anglia and London, as his Steward, for which Killingworth later received a Royal Pardon.On 28 July 1502 Maximilian signed a treaty at Augsberg whereby, in return for £10,000, he undertook not to help the English rebels.