Edmund Beaufort (died 1471) on the south side of Tewkesbury Abbey, under an arch. His younger brother John had been killed during the battle, and as both died unmarried, "the house of Beaufort and all the honours to which they were entitled became extinct". The execution shortly thereafter of Henry VI left Edmund's 1st cousin, Margaret Beaufort, and her son, Henry Tudor, as the senior representatives of the House of Lancaster. Attribution Edmund Beaufort (died 1471) Edmund Beaufort (c. 1438 – 6 May 1471), styled 4th Duke of Somerset, was an English nobleman, and a military commander during the Wars of the Roses, in
Wars of the Roses again won complete victories at Barnet (14 April 1471), where Warwick was killed, and Tewkesbury (4 May 1471) where the Lancastrian heir, Edward of Westminster, Prince of Wales was killed, or perhaps executed after the battle. Queen Margaret was escorted to London as a prisoner and Henry was murdered in the Tower of London several days later, ending the direct Lancastrian line of succession. A period of comparative peace followed, ending with the unexpected death of King Edward in 1483. His surviving brother, Richard, Duke of Gloucester, first moved to prevent the unpopular Woodville family of Edward's widow from participating