Princes in the Tower of 14; both had predeceased the King. However, two lead coffins clearly labelled as George Plantagenet and Mary Plantagenet were subsequently discovered elsewhere in the Chapel (during the excavation for the royal tomb house for King George III under the Wolsey tomb-house in 1810–13), and were moved into the adjoining vault of Edward IV's, but at the time no effort was made to identify the two lead coffins already in Edward IV's vault. In the late 1990s, work was being carried out near and around Edward IV's tomb in St George's Chapel; the floor area was excavated to replace an
Princes in the Tower John of Gaunt, 1st Duke of Lancaster through John Beaufort, son of John of Gaunt on his mother's side, Buckingham may have hoped to accede to the throne himself in due course; alternatively, he may have been acting on behalf of a third party. Some, notably Paul Murray Kendall, regard Buckingham as the likeliest suspect: his execution, after he had rebelled against Richard in October 1483, might signify that he and the king had fallen out; Weir takes this as a sign that Richard had murdered the princes without Buckingham's knowledge and Buckingham had been shocked by it. A contemporary