Princes in the Tower "the murther of his nephews towards the world", indicating that the boys did indeed meet their end during Richard's days. It is also unlikely that the princes would have been kept alive in secret by Richard for 2 years after their last sighting while rumours of his responsibility for their murder circulated. Some writers have also accused John Howard, 1st Duke of Norfolk; Margaret Beaufort, Henry VII's mother; and Jane Shore (Edward IV's mistress). Pollard writes of these theories: "None deserve serious consideration. The problem with all these accusations is that they beg the question of access to the Tower
Princes in the Tower account with the intention of writing about a moral point rather than a closely mirrored history. While More's account does rely on some firsthand sources, the account is generally taken from other sources. Additionally, More's account is one of the bases for William Shakespeare's "Richard III", which similarly indicts Richard for murdering the young princes. In 1675, some workmen remodelling the Tower of London dug up a wooden box containing two small human skeletons. The bones were found buried 10 ft under the staircase leading to the chapel of the White Tower. They were not the first children's skeletons found