Ælfthryth, wife of Edgar the brother of Ælfthryth's first husband, Æthelwine, Ealdorman of East Anglia. Supporting the unsuccessful claim of Æthelred were his mother, the Queen dowager, Bishop Æthelwold of Winchester, and Ælfhere, Ealdorman of Mercia. On 18 March 978, while visiting Ælfthryth at Corfe Castle, King Edward was killed by servants of the Queen, leaving the way clear for Æthelred to be installed as king. Edward was soon considered a martyr, and later medieval accounts blamed Ælfthryth for his murder. According to the "Anglo-Saxon Chronicle", King Edward was murdered at Corfe Castle in 978. As the king developed into a cult figure, a
Stigand would not have a son from his marriage, and he and his advisors began to search for an heir. Edward the Atheling, the son of King Edmund Ironside (reigned 1016), had been exiled from England in 1017, after his father's death. Although Ealdred, the Bishop of Worcester, went to the Continent in search of Edward the Exile, Ian Walker, the biographer of King Harold Godwinson, feels that Stigand was behind the effort. In the end, although Edward did return to England, he died soon after his return, leaving a young son Edgar the Ætheling. King Edward, on his deathbed, left