The Duke of Somerset is a title in the British peerage, first created in 1547. The title has been held by various individuals, often associated with significant political and military roles in England. The most notable Duke of Somerset was Edward Seymour, the first holder, who served as Lord Protector for the young King Edward VI. The title has been revived several times, with the current Duke being John Seymour, who became the 19th Duke in 2003. The Dukes of Somerset have historically been linked to the Seymour family, which played a prominent role in English history, particularly during the Tudor period.