Duke of Somerset years after losing his position as Lord Protector, his titles were forfeited and he was beheaded on 22 January 1552. He was replaced in the minority government of Edward VI by John Dudley, Duke of Northumberland, whose pragmatic style contrasted with Seymour's mixture of idealism and arrogance. In 1644 Charles I granted the earldom of Glamorgan to Edward Somerset (1613–1667). He was a descendant of Charles Somerset, the illegitimate son of Henry Beaufort, 3rd Duke of Somerset. In return for obtaining military help from Ireland he promised Edward the title of Duke of Somerset. Under the Commonwealth Edward was banished
Charles Seymour, 6th Duke of Somerset Duke of Somerset, aged 16, inherited the Dukedom of Somerset from their father's childless first cousin, John Seymour, 4th Duke of Somerset (1629–1675). However, the 5th Duke did not inherit the unentailed Seymour estates, including the family seat of Wulfhall and other Wiltshire estates, and much of the lands of the feudal barony of Hatch Beauchamp in Somerset, which were bequeathed to the 4th duke's niece, Elizabeth Seymour, wife of Thomas Bruce, 2nd Earl of Ailesbury (1656–1741). In 1660, following the Restoration of the Monarchy, the 4th duke's own father, a Royalist commander in the Civil War, had been restored