Demophon was a King of Athens who was in Heraclidae, a play by Euripides, starring Macaria, one of the daughters of Heracles. She and her brothers and sisters hid from Eurystheus in Athens, ruled by King Demophon. As Eurystheus prepared to attack, an oracle told Demophon that he would win if and only if a noble woman was sacrificed to Persephone. Macaria volunteered for the sacrifice and a spring was named the Macarian spring in her honor. Before the Athenian democracy, the tyrants, and the archons, Athens was ruled by kings. ... A statue of Euripides Euripides (c. ... In Greek mythology, Macaria was one of the Heraclidae, children of Heracles. ... Statue of Heracles In Greek mythology, Heracles, or Heraklês (glory of Hera, Ηρακλης) was a divine hero, the demigod son of Zeus and Alcmene, and stepson of Alcmenes rightful husband and great-grandson of Perseus. ... Eurystheus was a mythical king of Mycenae and grandson of the hero Perseus. ... An oracle is a person or agency considered to be a source of wise counsel or prophetic opinion; an infallible authority, usually spiritual in nature. ... In Greek mythology, Persephone (Greek Περσεφόνη, Classical Greek Persephónē, Modern Greek Persefóni) was the queen of the Underworld, the Kore or young maiden, and the daughter of Demeter. ...