In Greek mythology, Medea (/mɪˈdiːə/; Ancient Greek: Μήδεια, Mēdeia) is the daughter of King Aeëtes of Colchis, a niece of Circe and the granddaughter of the sun god Helios. Medea figures in the myth of Jason and the Argonauts, appearing in Hesiod's Theogony around 700 BC, but best known from Euripides's tragedy Medea and Apollonius of Rhodes' epic Argonautica. Medea is known in most stories as a sorceress and is often depicted as a priestess of the goddess Hecate.
Jason Left Creusa and his children in the care of Medea but Medea killed them in a fite of jealousy, Jason hands to the Island of Creation, to have an audience with the Sisters of Fate, to get back Creusa and his children. After Kratos saves Jason he reveals that Medea has killed his lover and children, Jason also says that he regrets leaving Creusa in the care of Medea.