- Danish king of England 1017–35; of Denmark 1018–35; and of Norway 1028–35.
- died 1035, Danish king of England (1016–35), Denmark (1018–35), and Norway (1028–35). He defeated Edmund II of England (1016), but divided the kingdom with him until Edmund's death. An able ruler, he invaded Scotland (1027) and drove Olaf II from Norway (1028)
