Maurice Berkeley, 3rd Baron Berkeley By his wife he had four children: He died in September 1506 aged 70 and was buried in the Austin Friars in the City of London, where his widow was also buried later in 1514. Maurice Berkeley, 3rd Baron Berkeley Maurice Berkeley, "de jure" 3rd Baron Berkeley (1435 – September 1506), of Thornbury in Gloucestershire, "Maurice the Lawyer", was an English nobleman. He was born at Berkeley Castle in Gloucestershire, the younger son of James Berkeley, 1st Baron Berkeley (c. 1394–1463), "James the Just", by his third wife Isabel de Mowbray, and was the younger brother and heir of William
Nottingham Castle were acting as Regents during Edward's minority following their murder of his father Edward II at Berkeley Castle. William Montagu and his companions, were accompanied by William Eland, castellan and overseer of Mortimer's castle, who knew the location of a secret tunnel which would take them up to a locked door higher up in the castle to a normally locked door. In the dark of night on 19 October 1330, Montagu and his companions entered the tunnel, climbed up to the door, which had now been unlocked either by Edward III or a trusted servant, overpowered Mortimer, killing Mortimer's personal