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 Edward of York was born at Rouen in France, the second son of Richard, 3rd Duke of York (who had a strong genealogical claim to the throne of England), and Cecily Neville. He was the eldest of the four sons who survived to adulthood. He bore the title Earl of March before his father's death and his accession to the throne. Edward's father Richard, Duke of York, had been heir to King Henry VI (reigned 1422-1461) until the birth of Henry's son Edward in 1453. Richard carried on a factional struggle with the king's Beaufort relatives. He established a dominant