In 1017, Edmund died in mysterious circumstances, probably murdered by Cnut or his supporters, and the English council (the witan) confirmed Cnut as king of all England.
Aastal 1017 suri Edmund salapärastel asjaoludel, ilmselt mõrvati Knudi või tema toetajate poolt, ja inglaste nõukogu (Witenagemot) kinnitas Knudi kogu Inglismaa kuningaks.