Edward the Martyr Edward the Martyr Edward the Martyr (, pronounced ; 18 March 978) was King of England from 975 until he was murdered in 978. Edward was the eldest son of King Edgar the Peaceful but was not his father's acknowledged heir. On Edgar's death, the leadership of England was contested, with some supporting Edward's claim to be king and others supporting his younger half-brother Æthelred the Unready, recognized as a legitimate son of Edgar. Edward was chosen as king and was crowned by his main clerical supporters, the archbishops Dunstan of Canterbury and Oswald of Worcester. The great nobles of
Issue of Edward III of England by his third cousin Edward, 4th Duke of York of the York faction (great-grandson of Edmund of Langley, 1st Duke of York, 5th son of King Edward III), who reigned as King Edward IV. The Lancaster kings also had Plantagenet ancestry on the female side from Blanche of Lancaster, wife of John Gaunt, daughter of Henry of Grosmont, 1st Duke of Lancaster (c.1310-1361), descended from Edmund Crouchback, 1st Earl of Lancaster, the second son of King Henry III (1216-1272), the great-grandfather of King Edward III. A legend was developed, although without foundation, claiming that Edmund Crouchback was older than his