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 the Martyr the kingdom, ealdormen Ælfhere and Æthelwine, quarrelled, and civil war almost broke out. In the so-called anti-monastic reaction, the nobles took advantage of Edward's weakness to dispossess the Benedictine reformed monasteries of lands and other properties that King Edgar had granted to them. Edward's short reign was brought to an end by his murder at Corfe Castle in 978 in circumstances that are not altogether clear. His body was reburied with great ceremony at Shaftesbury Abbey early in 979. In 1001 Edward's remains were moved to a more prominent place in the abbey, probably with the blessing of his half-brother