Cnut the Great (985 or 995 - 1035). King of Denmark from 1018 until he died in 1035. King of England from 1016 until 1035. King of Norway from 1028 until 1035. King of Sweden from 1026 until 1030. He married twice and had two children with each wife. He is considered a great warrior king.
Cnut the Great only ruled England for 20 years, The Saxons ruled it for 600 years - The North Sea Empire or Anglo-Norse Empire is the kingdoms ruled by Cnut the Great as king of England, Denmark, Norway, and parts of what is now Sweden between 1016 and 1035. It can also be called more specifically the Anglo-Scandinavian Empire.
Emma of Normandy (c. 985 – 6 March 1052) was a queen consort of England, Denmark and Norway. She was the daughter of Richard I, Duke of Normandy, and his second wife,Gunnora. Through her marriages to Æthelred the Unready (1002-1016) and Cnut the Great(1017-1035), she became the Queen Consortof England, Denmark, and Norway. She was the mother of three sons, Edward the Confessor, Alfred, and Harthacnut.