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
Berkeley family Berkeley and of Robert Fitzharding either adopted, or continued the use of, the surname "de Berkeley", the former retaining the truncated feudal barony of Dursley, the latter establishing his line as feudal barons of Berkeley Castle. Both lines of Berkeleys therefore originated as cousins, but it was the line of the feudal barons of Berkeley, descended from Fitzharding in the male line, which was by far the more powerful and which would play the more prominent role in British history in the next several centuries. The Scottish Clan Barclay may or may not be descended from the family; however, the