Edward Seymour, 1st Duke of Somerset when the descendants of Edward Seymour by his first wife, Catherine Fillol, inherited the Somerset dukedom in accordance with the Private Act of 1541. However, the female line continued, and Queen Elizabeth II is descended from Somerset through his grandchild by Catherine Grey. Edward Seymour, 1st Duke of Somerset Edward Seymour, 1st Duke of Somerset (c. 1500 – 22 January 1552), was Lord Protector of England during part of the Tudor period from 1547 until 1549 during the minority of his nephew, King Edward VI (1547–1553). Despite his popularity with the common people, his policies often angered the gentry and
Charles Seymour, 6th Duke of Somerset of Hertford (1684–1749) had produced a son of his own, Lord Beauchamp (d.1744), who had predeceased him without progeny, and thus he had only a daughter and sole heiress Lady Elizabeth Seymour, who in 1740 had married Sir Hugh Smithson, 4th Baronet. Before the death of the 6th duke in 1748, it had thus become apparent that the dukedom of Somerset would devolve by law onto an extremely distant cousin and heir male, the 6th duke's 6th cousin Sir Edward Seymour, 6th Baronet (1695–1757) of Berry Pomeroy in Devon and of Maiden Bradley in Wiltshire, who in fact represented the