In Greek mythology, Eidyia ə was a daughter of Oceanus and Tethys, and queen to Aeetes, king of Colchis. Mother of Medea, Chalciope and Absyrtus, she was also the youngest of the Oceanides. Some sources called her the goddess of knowledge. ...
an oceanid who mothered Medea and was wife to King Aeetes of Colchis.