Thomas de Berkeley, 3rd Baron Berkeley was succeeded by Maurice de Berkeley, 4th Baron Berkeley (born 1320, date of death unknown), eldest son and heir from his first marriage. Thomas de Berkeley, 3rd Baron Berkeley Thomas de Berkeley (c. 1293 or 1296 – 27 October 1361), "The Rich", feudal baron of Berkeley, of Berkeley Castle in Gloucestershire, England, was a peer. His epithet, and that of each previous and subsequent head of his family, was coined by John Smyth of Nibley (d.1641), steward of the Berkeley estates, the biographer of the family and author of "Lives of the Berkeleys". He was the eldest son and heir
Berkhamsted Castle the growing wool trade. Richard died at the castle in 1272, and it passed to his son Edmund. The castle passed on through Edward I, who found the castle in an apparently poor condition, and his second wife, Margaret, to Edward II. Edward II gave it to his royal favourite, Piers Gaveston, whom he made Earl of Cornwall. Gaveston was married there in 1307, with Edward in attendance. Edward II and Gaveston fell from power in 1327 and John, Edward's second son, took possession as the new Earl of Cornwall. When John died, Edward III reclaimed Berkhamsted Castle; a survey