John Berkeley (1352–1428) John Berkeley (1352–1428) Sir John Berkeley (1352–1428), of Beverston Castle, Gloucestershire was an English politician. He was the son of Thomas de Berkeley, 3rd Baron Berkeley of Berkeley Castle and Katherine Clivedon. He was knighted before 1383. He was appointed High Sheriff of Somerset and Dorset for 1390–91 and 1394–95, High Sheriff of Gloucestershire for 1392–93, 1397–98 and 1414–15, High Sheriff of Hampshire for 1402–03 and 1406–07, and High Sheriff of Wiltshire for 1410–11. He was a Member (MP) of the Parliament of England for Gloucestershire in February 1388, September 1388 and January 1397, for Somerset in November 1390 and
Lydford Castle but had little interest in Lydford, preferring Restormel and Lostwithiel; by his death in 1299 the castle had been left to decay and was in ruins. It reverted to the Crown, and when Edward II made his royal favourite, Piers Gaveston, the Earl of Cornwall in 1307, Lydford Castle was passed to him. The castle was repaired at the start of the century and was in use once again as a prison. Edward II and Gaveston fell from power in 1327 and Thomas le Ercedekne was temporarily entrusted with the castle and Dartmoor by the new regime. In 1329 the