History of Anglo-Saxon England contexts the term "Anglo-Scandinavian" is often used for Scandinavian culture in England. Two years after his coronation, Edgar died while still only in his early thirties. Some magnates supported the succession of his younger son, Æthelred, but his elder half-brother, Edward was elected, aged about twelve. His reign was marked by disorder, and three years later, in 978, he was assassinated by some of his half-brother's retainers. Æthelred succeeded, and although he reigned for thirty-eight years, one of the longest reigns in English history, he earned the name "Æthelred the Unready", as he proved to be one of England's most
Edgar Ætheling Edgar. However, within months Robert left England, unhappy with William's failure to fulfil the pact between them, and Edgar went with him to Normandy. Having returned to England, Edgar went to Scotland again in 1093, on a diplomatic mission for William to negotiate with Malcolm, who was dissatisfied with the Norman failure to implement in full the terms of the 1091 treaty. This dispute led to war, and within the year Malcolm had invaded England and had been killed along with his designated heir Edward, eldest of his sons by Margaret, in the Battle of Alnwick. Malcolm's successor, his brother