Edgar the Atheling was a grandson of Edmund II Ironside and a great-grandson of Ethelred 'The Unready'. After the death of Harold at the Battle of Hastings, the Witan elected Edgar, the last of the line of Cerdic, as King. Within a few weeks, however, he had to submit to William I.

 

Edgar Atheling's position in the genealogical roll of the Kings of England © The British Library Board, Royal 14 B. VI membrane