Constitutional status of Cornwall of Exeter, styled himself as "King of the English, and ruler of this province of Britons". Edmund's successor Edgar styled himself "King of the English and ruler of the adjacent nations". This was followed by king Aethelred II (978–1016) describing Cornwall not as an English shire, but as a province, or client territory. Surviving charters issued by the Kings of England Edmund I (939–946), Edgar (959–975), Edward the Martyr (975–978), Aethelred II (978–1016), Edmund II (1016), Cnut (1016–1035) and Edward the Confessor (1042–1066) record grants of land in Cornwall made by these kings. In contrast to the easterly concentration of
Edgar Ætheling His mother was Agatha, who was described as a relative of the German Emperor, but whose exact identity is unknown. He was his parents' only son but had two sisters, Margaret and Cristina. In 1057, the childless king of England, Edmund Ironside's half-brother Edward the Confessor, who had only recently become aware that his nephew was still alive, summoned Edward back to England with his family to take up his place at court as heir to the throne. The returning exile died in uncertain circumstances shortly after his arrival in England. Edgar, at only six years old, was left as