Thomas de Berkeley, 5th Baron Berkeley 1417 he enfeoffed at Berkeley Castle, shortly before his death, several feoffees to hold all his lands in trust, due to the fact he had no male children as his heirs and that the course of succession then seemed unclear. The catalogue entry made by the British Museum librarian Isaac Jeaves for charter number 581 preserved in the muniments at Berkeley Castle records: The great City of London townhouse of the Berkeleys, known as "Berkeley's Inn", was at Puddle Dock by Baynard's Castle, close to the Blackfriars Monastery. Thomas FitzNicholl, one of the witnesses, was many times MP for Gloucestershire,
Berkeley Castle around 1067 by William FitzOsbern shortly after the Conquest. This was subsequently held by three generations of the first Berkeley family, all called Roger de Berkeley, and rebuilt by them in the first half of the 12th century. The last Roger de Berkeley was dispossessed in 1152 for withholding his allegiance from the House of Plantagenet during the conflict of The Anarchy, and the feudal barony of Berkeley was then granted to Robert Fitzharding, a wealthy burgess of Bristol and supporter of the Plantagenets. He was the founder of the Berkeley family which still holds the castle. In 1153–54, Fitzharding