Berkeley family Constable (Alnod), a high official under King Edward the Confessor. Berkeley Castle, the "caput" of the barony, and the adjoining town of Berkeley are located in the county of Gloucestershire and are situated about five miles west of Dursley and eighteen miles southwest of Gloucester, and northeast of Bristol. The location has conferred various titles on the family over the centuries, including Baron Berkeley (barony by writ), Earl of Berkeley, and Marquess of Berkeley. Berkeley Castle was originally granted by William the Conqueror to the Norman Roger de Berkeley, feudal baron of Dursley, under the feudal tenure of fee-farm. However,
Berkeley, Gloucestershire 824 as "Berclea", from the Old English for "birch lea". Berkeley was a significant place in medieval times. It was a port and market-town, and the meeting place of the hundred of Berkeley. After the Norman Conquest, a Flemish noble named Roger de Tosny was appointed Provost of the manor of Berkeley by his brother-in-law (or perhaps uncle) Earl William FitzOsbern. His family took the name "de Berkeley", and it was he who began the construction of Berkeley Castle, which was completed by his son, also Roger. A younger son of the elder Roger, John de Berkeley, went north to