Svein Knutsson was the son of Cnut the Great, king of Denmark, Norway, and England, and his first wife Ælfgifu of Northampton, a Mercian noblewoman. In 1017 Cnut married Emma of Normandy, but there is no evidence that Ælfgifu was repudiated, and... Wikipedia
Born: 1016
Died: 1035 (age 19 years), Denmark
Parents: Cnut and Ælfgifu of Northampton
Grandparents: Sweyn Forkbeard and Ælfhelm of York
Siblings: Harold Harefoot
Great-grandparents: Harald Bluetooth, Wulfrun, and Tove of the Obotrites
Co-King; Regent: Cnut I; Ælfgifu