Harthacnut, traditionally Hardicanute, sometimes referred to as Canute III, was King of Denmark from 1035 to 1042 and King of the English from 1040 to 1042.
Harthacnut in the 14th-century Genealogical Roll of the Kings of England
Cnut, king of England, Denmark, and Norway, and his sons Harold Harefoot and Harthacnut
Silver penny of Harthacnut
Harthacnut (left) meeting the young King Magnus the Good at the Göta älv river in modern-day Sweden. Illustration by Halfdan Egedius.
Cnut, also known as Canute and with the epithet the Great, was King of England from 1016, King of Denmark from 1018, and King of Norway from 1028 until his death in 1035. The three kingdoms united under Cnut's rule are referred to together as the North Sea Empire by historians.
Contemporary drawing of King Cnut from the New Minster Liber Vitae, 1031
This runestone in Sweden (U 194), in memory of a Viking known as Alli, says he won Knútr's payment in England.
Medieval illumination depicting Kings Edmund Ironside (left) and Cnut (right), from the Chronica Majora written and illustrated by Matthew Paris.
Coins of Cnut the Great, British Museum