John Berkeley (1352–1428) 1394, for Wiltshire in 1402 and Hampshire in 1406. He married 3 times, but had issue only by his third wife, Elizabeth Betteshorne. 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
William de Berkeley, 1st Marquess of Berkeley as having brought shame on the noble House of Berkeley by marrying beneath his status Isabel Mead, daughter of Philip Mead of Wraxall, an alderman and mayor of Bristol in 1459, 1462 and 1469. In order to achieve this, the castle, lands and lordships composing the Barony of Berkeley he settled on King Henry VII and his heirs male, failing which to descend to his own rightful heirs. Thus, in 1553 on the death of King Edward VI, the unmarried grandson of Henry VII, the Berkeley inheritance returned to the family. Therefore, on the death of the 1st Marquis, only