Augustus Berkeley, 4th Earl of Berkeley Augustus Berkeley, 4th Earl of Berkeley Lieutenant-Colonel Augustus Berkeley, 4th Earl of Berkeley, KT (18 February 1715 – 9 January 1755) was the son of Vice-Admiral James Berkeley, 3rd Earl of Berkeley, and the former Lady Louisa Lennox. He was made an ensign in the 1st Regiment of Foot Guards in November 1734, and succeeded his father on 17 August 1736 as 4th Earl of Berkeley, 12th Baron Berkeley and 4th Viscount Dursley. In 1737, he was created Lord Lieutenant of Gloucestershire and Constable of St. Briavel's Castle, offices which he held until his death, and was made lieutenant-colonel of
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