Sweyn Forkbeard all England in 1016, following the deaths of Æthelred and his son Edmund Ironside; he succeeded his brother as King of Denmark in 1019 and eventually also ruled Norway, parts of Sweden, Pomerania, and Schleswig. Cnut and his sons, Harold Harefoot and Harthacnut, ruled England over a combined 26-year period (1016–1042). After Harthacnut's death, the English throne reverted to the House of Wessex under Æthelred's younger son Edward the Confessor (reigned 1042–1066). Sweyn's daughter, Estrid Svendsdatter, was the mother of King Sweyn II of Denmark. Her descendants continue to reign in Denmark to this day. One of them, Margaret of
Edgar Ætheling Edgar Ætheling Edgar Ætheling (also spelt Æþeling, Aetheling, Atheling or Etheling) or Edgar II (c. 1051 – c. 1126) was the last male member of the royal house of Cerdic of Wessex (see House of Wessex family tree). He was elected King of England by the Witenagemot in 1066, but never crowned. Edgar was born in the Kingdom of Hungary, where his father Edward the Exile, son of King Edmund II Ironside, had spent most of his life, having been sent into exile after Edmund's death and the conquest of England by the Danish king Cnut the Great in 1016.