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 Jan Allertz (Recorder of Rotterdam), all state that Richard killed the princes before he seized the throne (thus before June 1483). De Commines' "Memoirs" (c.1500), however, identifies the Duke of Buckingham as the person "who put them to death". Only Mancini's account is truly contemporary, having been written in London before November 1483. The Croyland Chronicle and de Commines' account were written three and seventeen years later, respectively (and thus after Richard III's death and the accession of Henry VII). Markham, writing long before Mancini's account was discovered, argued that some accounts, including the Croyland Chronicle, might have been authored