Duke of Somerset

The Duke of Somerset is a title in the peerage of England that has been created several times. Derived from Somerset, it is particularly associated with two families; the Beauforts who held the title from the creation of 1448 and the Seymours, from the creation of 1547 and in whose name the title is still held.

Earls of Somerset, second creation (1397)

• John Beaufort, 1st Earl of Somerset (1371/1373-1410)
• Henry Beaufort, 2nd Earl of Somerset (1401-1418)
• John Beaufort, 3rd Earl of Somerset (1404-1444) (became Duke of Somerset in 1443)
• Edmund Beaufort, 4th Earl of Somerset (became Duke of Somerset in 1448)