Tudor was the surname of an English dynasty founded by a Welsh nobleman who in 1423 had married Catherine, widow of Henry V. He was the father of Edmund, Earl of Richmond, and Jasper, Earl of Pembroke. Supporting the house of Lancaster he was captured at Mortimer's Cross and beheaded in 1461. Edmund married Margaret, heiress of John Beaufort, and their son, Henry VII, who reigned from 1485 to 1509, founded his claims to the throne on his descent from John of Gaunt. The other Tudor sovereigns were Henry VIII, Edward VI, Mary and Elizabeth I. Research Tudor