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
Baron Berkeley each baron were coined by John Smith of Nibley (d.1641), steward of the Berkeley estates, the biographer of the family and author of "Lives of the Berkeleys". The feudal barony of Berkeley was created "circa" 1155, when King Henry II granted the royal castle of Berkeley to the Anglo-Saxon royal financier Robert Fitzharding under the feudal land tenure "per baroniam". Prior to that time Berkeley Castle had been held in fee-farm by Roger I "de Berkeley" (d.1093), a Norman nobleman, possibly a son of Roger I of Tosny (died circa 1040), who acquired the surname "de Berkeley". Roger I "de