There are various references listing Edward the Elder's birth as sometime in the 870s, being the second child of a marriage of 868. There are no sources listing his birth as after 877. Anglo-Saxons.net : Edward the Elder. Retrieved 15 March 2007.
Æthelred the Unready was forced to go into exile in the summer of 1013, following Danish attacks, but was invited back following Sweyn Forkbeard's death. AETHELRED (the Unready) @ Archontology.org. Retrieved 17 March 2007.
Harold was only recognised as king north of the River Thames until 1037, after which he was recognised as king of all England. “Harold (Harefoot) - Archontology.org”. 2007年10月27日閲覧。
After reigning for approximately 9 weeks, Edgar the Atheling submitted to William the Conqueror, who had gained control of the area to the south and immediate west of London (“Eadgar (the Ætheling) - Archontology.org”. 2007年10月26日閲覧。).
