E 'E' see Fullerton, Mary Eliza Eadburga (Eadburh) – (c770 – c830) Anglo-Saxon queen Eadburga was the eldest daughter of Offa II, King of Mercia, and his wife Cynethryth, and was married (787) to King Beorhtric of Wessex, who had sent an embassy to her father's court to solicit her hand.