Maurice de Berkeley Maurice de Berkeley Sir Maurice de Berkeley "the Resolute" (1218 - 4 April 1281), 5th (feudal) Baron de Berkeley, was an English soldier and rebel, residing at Berkeley Castle in the English county of Gloucestershire. Maurice was born in 1218 to Thomas de Berkeley and Joan de Somery. He married Isabel FitzRoy, the daughter of Richard FitzRoy, Baron of Chilham (an illegitimate son of King John of England) and Rose de Douvres, sometime before 12 July 1247. Berkeley fought in the French Wars and was invested as a knight before 1242. He inherited the title of Baron de Berkeley in
Berkeley Castle before returning him to Berkeley Castle in September. Some commentators have claimed that Edward's escape was actually successful, and that someone else was later murdered in his place. Historical sources record that Edward was murdered there on 21 September 1327. Raphael Holinshed's "Chronicles" (1587 edition), drawing on earlier sources, describes Edward's murder in detail:they [the murderers] came suddenlie one night into the chamber where he laie in bed fast asléepe, and with heauie featherbeds or a table (as some [sources] write) being cast vpon him, they kept him down and withall put into his fundament [i.e., his anus] an horne,