Edmund Beaufort 4th Duke of Somerset Tags: Noble.Edmund Beaufort 4th Duke of Somerset 6th Earl of Somerset 3rd Marquess of Dorset 3rd Earl of Dorset (1438? – 6 May 1471) was an English nobleman and a military commander during the Wars of the Roses in which he supported the House of Lancaster. thumbnail buried place Tewkesbury Abbey death place England, Tewkesbury, Gloucestershire parent Edmund Beaufort 2nd Duke of Somerset, Eleanor Beauchamp Duchess of Somerset title Duke of Somerset Learn more... Loading...