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
England in the Late Middle Ages English heir in her power, Isabella refused to return to England unless Edward II dismissed his favourites and also formed a relationship with Roger Mortimer, 1st Earl of March. The couple invaded England and, joined by Henry, 3rd Earl of Lancaster, captured the king. Edward II abdicated on the condition that his son would inherit the throne rather than Mortimer. He is generally believed to have been murdered at Berkeley Castle by having a red-hot poker thrust into his bowels. In 1330 a coup by Edward III ended four years of control by Isabella and Mortimer. Mortimer was executed, but