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, King of Scotland uncle Donald III (Domnall Bán mac Donnchada). His older brother Edmund sided with Donald, presumably in return for an appanage and acknowledgement as the heir of the aged and son-less Donald. Edgar received limited support from William II (William Rufus) as Duncan had before him; however, the English king was occupied with a revolt led by Robert de Mowbray, Earl of Northumbria, who appears to have had the support of Donald and Edmund. Rufus campaigned in northern England for much of 1095, and during this time Edgar gained control only of Lothian. A charter issued at Durham at this time