Princes in the Tower becoming king, Henry married the princes' eldest sister, Elizabeth of York, to reinforce his claim to the throne. Not wanting the legitimacy of his wife or her claim as heiress of Edward IV called into question, prior to the marriage he had repealed the "Titulus Regius" which had previously declared the princes (and Elizabeth) illegitimate. Markham suggests the princes were executed under Henry's orders between 16 June and 16 July 1486, claiming that it was only after this date that orders went out to circulate the story that Richard had killed the princes, and that the princes' mother, Elizabeth Woodville,
Princes in the Tower their disappearance, rumours quickly spread that they had been murdered. Only one contemporary narrative account of the boys' time in the tower exists: that of Dominic Mancini. Mancini's account was not discovered until 1934, in the Municipal Library in Lille. Later accounts written after the accession of Henry Tudor are often claimed to be biased or influenced by Tudor propaganda. Four unidentified bodies have been found which are considered possibly connected with the events of this period: two at the Tower of London and two in Saint George's Chapel, Windsor Castle. Those found in the Tower were buried in Westminster