OVID - Metamorphoses

Spoiler Alert!! Tereus may be Titus Andronicus Tereus of Thrace with his relieving force Had routed them and won a victor's fame;  And, seeing he was strong in wealth and men  And, as it happened, traced his lineage From Mars* himself,  Pandion gave his child, Procne, in marriage, thus to link their lines. Tereus' and Procne's marriage gave delight To Thrace, Now season followed season, as the sun Led on the years; five autumns glided by, And Procne coaxed her husband, 'If my love Finds any favour, give me leave to visit My sister, or invite my sister here, Giving my father your sure word that she Will soon return. To see her once again Will be a gift most precious.' So her husband Had his ship launched, King Pandion gave him audience, And hand clasped hand, their meeting, seemed set fair. He had begun to speak of Procne's plan, ... suddenly In entered Philomela, richly robed In gorgeous finery, and richer still Her beauty... ...

Medea by  Evelyn De Morgan In Greek mythology, Medea (/mɪˈdiːə/; Greek: Μήδεια, Mēdeia, Georgian: მედეა) is the daughter of King Aeëtes of Colchis,[1] a niece of Circe and the granddaughter of Helios, the god of the sun, and the son of the Titan Hyperion. Medea figures in the myth of Jason and the Argonauts, appearing in Hesiod's Theogony around 700 BCE,[2] but best known from a 3rd century BCE literary version by Apollonius of Rhodes called the Argonautica. Medea is known in most stories as a sorceress and is often depicted as a priestess of the goddess Hecate. (source: wikipedia) Jason and Medea  by  John William Waterhouse  (1907) She marries Jason after making a deal with him to help capture the golden fleece. Ovid cuts Medea some slack by skipping over the part when she kills her children. She's otherwise busy making potions to restore vigor to an old man. (citation needed). Medea about to kill her children Medea kills her child. ...

Aegeus, one of the primordial kings of Athens, was childless. Desiring an heir, he asks the Oracle of Delphi -  who no doubt, in spirit, remains here for advice with another Greek goddess, Anna George (click the image ===>). (Both get lots of advice.) Aegeus' host, Pittheus, gets him drunk and gives him his daughter Aethra. During the night Aethra wades over to Poseidon's digs and is possessed by the sea god. The mix is to give Theseus the character of mortal & divine. After Aethra becomes pregnant, Aegeus returns to Athens abandoning her to raise the child. Before leaving he buries his sandals and sword under a huge rock, telling Aethra that when their son grows up, he should move the rock, if he is heroic enough, and take the tokens for himself as evidence of his royal parentage. In Athens, Aegeus is joined by Medea, who had left Corinth after slaughtering the children she had borne, and now takes Aegeus as her new consort. Priestess and consort together repres...