Edmund Beaufort, 4th Duke of Somerset

Edmund Beaufort , styled 4th Duke of Somerset by Lancastrians, was an English nobleman, and a military commander during the Wars of the Roses, in which he supported King Henry VI.

Edmund Beaufort, born about 1438, was the son of Edmund Beaufort, 2nd Duke of Somerset, and Eleanor, daughter of Richard Beauchamp, 13th Earl of Warwick and widow of Thomas, fourteenth baron Roos of Hamlake.

Source: Wikipedia