Edmund Beaufort, 4th Duke of Somerset

Edmund Beaufort, styled 4th Duke of Somerset, 6th Earl of Somerset, 3rd Marquess of Dorset, 3rd Earl of Dorset, was an English nobleman and military commander during the Wars of the Roses. He supported the Lancastrian King Henry VI. Following the defeat of the Lancastrian faction at the Battle of Tewkesbury, he was executed on the order of the Yorkist king, Edward IV.