Maurice de Berkeley 1243 and, on 14 December 1243, he had livery of his father's lands. He fought in the war in North Wales and in 1264 he joined the Barons against King Henry III. Berkeley died on 4 April 1281 and was buried in St Augustine's Abbey in Bristol. 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
Berkeley Castle "motte". In the early 18th century the 4th Earl of Berkeley planted a pine that was reputed to have been grown from a cutting taken from a tree at the Battle of Culloden. In the early 20th century the 8th Earl of Berkeley, repaired and remodelled parts of the castle and added a new porch in the same Gothic style as the rest of the building. A restoration appeal was launched in 2006 to raise £5.5 million needed to renovate and restore the Norman building. The castle is the third oldest continuously occupied castle in England after the royal fortresses