William Berkeley, 1st Earl FitzHardinge refused to claim his right to the earldom. In 1831 William Berkeley was raised to the peerage as Baron Segrave, of Berkeley Castle in the County of Gloucester. Berkeley was returned to parliament as one of two representatives for Gloucestershire in 1810 (succeeding his uncle Sir George Cranfield-Berkeley), a seat he only held until 1811. In 1836 he was appointed Lord-Lieutenant of Gloucestershire, a post he retained until his death. In 1841 he was further honoured when he was made Earl FitzHardinge. Berkeley never married. He had several mistresses, and in 1821 John Waterhouse succeeded in an action for "criminal
Tibbers Castle such as lime. The "Mote de Tibbris" is mentioned in the "Registrum Magni Sigilli" in 1489 and 1541. The interpretation of Tibbers has changed over time, and in the 18th century it was thought to be a Roman fort though it was later understood to be a medieval castle. The name of the castle led to the suggestion that it derived from Tiberius Caesar, however 'Tibbers' comes from the Gaelic word 'Toibar' meaning a well. The earliest recorded excavation at Tibbers Castle took place in 1864, which recovered two coins from the reign of Edward II of England (1307–1327) and