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 Castle genealogy documentary television series "Who Do You Think You Are?", with American actress Courteney Cox looking into her ancestry. Cox learns that she is a 21-generation direct descendant of Thomas de Berkeley, 3rd Baron Berkeley and 22-generation descendant of de Berkeley’s father-in-law, Roger Mortimer, 1st Earl of March – also learning of their parts in the murder of King Edward II of England at Berkeley Castle in 1327. Two ships of the Royal Navy have been named "Berkeley Castle" after the castle, as has a Great Western locomotive. Berkeley Castle Berkeley Castle ( ; historically sometimes spelt "Berkley Castle" or