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
James Berkeley, 1st Baron Berkeley cousin Elizabeth, daughter of the fifth Baron Berkeley and wife of Richard de Beauchamp, 13th Earl of Warwick. He was unable initially to claim Berkeley Castle, as it was taken in possession by the Earl and Countess of Warwick. In 1421, when the Warwicks finally gave up Berkeley Castle, James was summoned to Parliament by writ as Lord Berkeley. The feud did not end there as his third wife Isabel was captured by the Countess of Warwick's son-in-law the Earl of Shrewsbury, and held imprisoned until her death in 1452. Lord Berkeley was succeeded by his son from his third