Princes in the Tower may have been forewarned of Edward's illness. It is reported that he then went to York Minster to publicly "pledge his loyalty to his new king". The Croyland Chronicle states that, before his death, Edward IV designated his brother Gloucester as Lord Protector. Edward's request may not have mattered, however, since "as the precedent of Henry V showed, the council was not bound to follow the wishes of a dead king". Edward V and Gloucester set out for London from the west and north respectively, meeting at Stony Stratford on 29 April. The following morning, Gloucester arrested Edward's retinue including
Princes in the Tower goal. This theory formed the basis of Sharon Penman's historical novel, "The Sunne in Splendour". Henry VII (Henry Tudor), following his seizure of the crown, executed some of the rival claimants to the throne. One who was either executed or died in captivity was John of Gloucester, illegitimate son of Richard III. Henry was out of the country between the princes' disappearance and August 1485, thus his only opportunity to murder them would have been after his accession in 1485. Pollard suggests Henry (or those acting on his orders) is "the only plausible alternative to Richard III." The year after