In Greek mythology, Cadmus was the legendary founder of Boeotian Thebes. He was, alongside Perseus and Bellerophon, the greatest hero and slayer of monsters before the days of Heracles. Commonly state
4th century BC painting of Cadmus slaying the dragon, from the Louvre in Paris, France
Sowing the Dragon's teeth; workshop of Rubens
Hendrick Goltzius, Cadmus fighting the Dragon
Cadmus Asks the Delphic Oracle Where He Can Find his Sister, Europa, Hendrick Goltzius
In Greek mythology, Harmonia is the goddess of harmony and concord. She is traditionally the daughter of Aphrodite, the goddess of love, and Ares, the god of war.
Cadmus
…according to Diodorus Siculus: the Pleiad Electra and her two sons, Dardanos and Eetion or Iasion. There was a fourth figure, Electra's daughter, Harmonia, whom Cadmus took away as a bride, as Zeus had abducted Europa. The wedding was the first celebrated on Earth to which the gods brought gifts, according…
Eretria Painter ARV 1250 34 brides Harmonia and Alkestis preparing for their weddings Peleus and Thetis Athens NAM 1629 02
Statue of Harmonia in the Harmony Society gardens in Old Economy Village, Pennsylvania.