Pontefract Castle II was captured by Henry Bolingbroke's supporters in August 1399 and initially imprisoned in the Tower of London. Sometime before Christmas that year he was moved to Pontefract Castle (via Knaresborough) where he remained under guard until his death, perhaps on 14 February 1400. William Shakespeare's play Richard III mentions this incident: Various chroniclers suggest that Richard was starved to death by his captors, and others suggest he starved himself. A contemporary French chronicler suggested that Richard II had been hacked to death, but this is, according to the ODNB, "almost certainly fictitious". In 1536, the castle's guardian, Thomas Darcy,
Pontefract Priory had resulted in a reduction of the monastery's debts from 3200 marks to 350. A later, undated, visitation return gives the average number of monks at 20. Duckett prints a letter from Stephen, Prior of Pontefract in 1323, to Pierre, Abbot of Cluny, explaining that he had been prevented from making a visitation of the English Cluniac houses, owing to the presence of the king and court at Pontefract, which prevented his leaving home. In the previous year (1322) Thomas, Earl of Lancaster had been beheaded at Pontefract, and his body buried in the priory church "on the right hand