Princes in the Tower household which stated: "the children should be together at one breakfast". James Gairdner, however, argues that it is unclear to whom the phrase "the children" alludes, and that it may not have been a reference to the princes. It may refer to Edward, Earl of Warwick (son of the Duke of Clarence) and Edward IV's two youngest daughters (Catherine and Bridget), all of whom were living under Richard's care at Sheriff Hutton. Other than their disappearance, there is no direct evidence that the princes were murdered, and "no reliable, well-informed, independent or impartial sources" for the associated events. Nevertheless, following
Princes in the Tower to the throne. Shortly before his execution, Tyrrell is said by Thomas More to have admitted, under torture, to having murdered the princes at the behest of Richard III. The only record of this is the writing of Thomas More, who wrote that, during his examination, Tyrrell made his confession as to the murders, saying that Richard III ordered their deaths. He also implicated two other men; despite further questioning, however, he was unable to say where the bodies were, claiming that Brackenbury had moved them. William Shakespeare portrays him as the culprit, sought out by Richard after Buckingham demurs.