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
Edward II of England the Count of Flanders, but this too failed after it was blocked by King Philip IV of France. Between 1297 and 1298, Edward was left as regent in charge of England while the king campaigned in Flanders against Philip IV, who had occupied part of the English king's lands in Gascony. On his return, Edward I signed a peace treaty, under which he took Philip's sister, Margaret, as his wife and agreed that Prince Edward would in due course marry Philip's daughter, Isabella, who was then only two years old. In theory, this marriage would mean that the disputed Duchy