Berkhamsted Castle was taken prisoner at the Battle of Poitiers. When the Black Prince fell ill following his campaigning in France, he retired to Berkhamsted and died there in 1376. Richard II inherited Berkamsted Castle in 1377; initially the use of it was given to his favourite, Robert de Vere and, after de Vere's fall from power and exile in 1388, to John Holland. Henry IV lived in the castle after he deposed Richard in 1400, and he used the property to detain rival applicants to the throne. During this period Geoffrey Chaucer, later famous for his "Canterbury Tales", oversaw renovation work
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