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
Edward IV of England Chapel, Windsor Castle. He was succeeded by his twelve-year-old son Edward V of England (who was never crowned) and then by his brother Richard. It is not known what actually caused Edward's death. Pneumonia and typhoid have both been conjectured, as well as poison. Some attributed his death to an unhealthy lifestyle, as he had become stout and inactive in the years before his death. Edward was an extremely capable and daring military commander. He crushed the House of Lancaster in a series of spectacular military victories. He was a popular and very able king, despite his occasional (if serious)