Eurydice the nymphs and deities wept and told him to travel to the Underworld to retrieve her, which he gladly did. After his music softened the hearts of Hades and Persephone, his singing so sweet that even the Erinyes wept, he was allowed to take her back to the world of the living. In another version, Orpheus played his lyre to put Cerberus, the guardian of Hades, to sleep, after which Eurydice was allowed to return with Orpheus to the world of the living. Either way, the condition was attached that he must walk in front of her and not look
Eurydice (wife of Antipater II of Macedon) named in honor of her maternal aunt Eurydice of Egypt, another daughter of Antipater, who was one of the wives of the Greek Pharaoh Ptolemy I Soter. The name "Eurydice", is a dynastic name of the Argead dynasty (see Eurydice-Historical women). The name also reveals her relations to the Argead dynasty as her maternal grandfather and her maternal great-uncle Cassander were distant collateral relatives to the Argead dynasty. At an unknown date, Lysimachus renamed the city Smyrna to "Eurydiceia" in honor of Eurydice, an innovation that did not last long. Lysimachus issued coinage depicting Eurydice on the obverse as a