History of Hertfordshire of the Norse in England, including women and children. One of those executed was Gunhilde, the sister of King Sweyn Forkbeard of Denmark. He invaded England next year in retaliation. Forkbeard's assault on England lasted ten years, until 1013, when Æthelred fled to the continent. Forkbeard was crowned King of England on Christmas Day, but only reigned for five weeks before dying. Æthelred returned briefly and unsuccessfully until 1016, at which time he was succeeded by Forkbeard's son Knut, who granted the Royal Manor of Hitchin to his second in command, Earl Tovi. After the Norman Invasion, Edgar the Ætheling
Edward IV of England back his kingdom. Edward returned to England with a relatively small force and avoided capture. The city of York opened its gates to him only after he promised that he had just come to reclaim his dukedom, as Henry Bolingbroke had done seventy years earlier. The first to join him were Sir James Harrington and William Parr, who brought 600 men-at-arms to Edward at Doncaster. As he marched southwards he began to gather support, including Clarence (who had realised that his fortunes would be better off as brother to a king than under Henry VI). Edward entered London unopposed, where