Ælfthryth was a historical figure from the Anglo-Saxon period, known for her role as a queen consort of England. She was married to King Edgar, who ruled from 959 to 975 AD. Ælfthryth was the mother of Edward the Martyr, who became king after Edgar's death. Her lineage and marriage connected her to the royal family, influencing the political landscape of the time. Ælfthryth is often noted for her involvement in the church and her support of monastic reforms. She was a patron of religious institutions, including the establishment of Westminster Abbey. Her legacy is intertwined with the history of the English monarchy and the development of early medieval England.