Ealdgyth, ancestress of the Earls of Dunbar;[3][4] she married Maldred, called son of 'thegn Crínán' by De Obsessione Dunelmi (possibly identical to Crínán of Dunkeld, thus making Maldred brother of Duncan I of Scotland, but see Aird for modern doubts).[5] Ælfthryth [6] not to be confused with Ethelred the Unready's mother, a queen who supposedly had been accused of murdering her eldest son. Ælfthryth married Ethelgar of unknown origin and had issue. They had the following children: