Mnemosyne — Classical Greek Myth Library

In Euripides’ *Heraclidae*, the children of Heracles, with Iolaus and Alcmene, take refuge at Marathon under Athens’ protection (Demophon as king in the play). An oracle declares that an enemy maiden of noble birth must be sacrificed to Persephone (Kore) if Athens is to defeat Eurystheus’s invading army. Demophon refuses to kill his own or a citizen’s child. Macaria, Heracles’ daughter, overhears and offers herself freely: better a glorious death than a life of exile and shame. She rejects casting lots among the sisters and goes out to die with dignity, asking only for a woman’s death without male eyes and for remembrance. Her self-offering fulfills the oracle; Athens wins; Eurystheus is captured. Attic topography remembered a spring called Macaria near Marathon where the sacrifice was localized. Catalogue this as the Macaria atom—voluntary Heraclid maiden-sacrifice for the city’s victory—distinct from the broader Eurystheus-war summary.