England in the Middle Ages took power in 978 following the murder of his brother Edward, but England was then invaded by Sweyn Forkbeard, the son of a Danish king. Attempts to bribe Sweyn not to attack using danegeld payments failed, and he took the throne in 1013. Swein's son, Cnut, liquidated many of the older English families following his seizure of power in 1016. Æthelred's son, Edward the Confessor, had survived in exile in Normandy and returned to claim the throne in 1042. Edward was childless, and the succession again became a concern. England became dominated by the Godwin family, who had taken advantage
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