Amphion and Zethus fit of madness and became a nightingale. After the deaths of Amphion and Zethus, Laius returned to Thebes and became king. Compare with Castor and Polydeuces (the Dioscuri) of Greece, and with Romulus and Remus of Rome. Plato, "Gorgias", 485e. Amphion and Zethus Amphion () and Zethus (, "Zēthos") were, in ancient Greek mythology, the twin sons of Zeus (or Theobus) by Antiope. They are important characters in one of the two founding myths of the city of Thebes, because they constructed the city's walls. Amphion and Zethus were the sons of Antiope, who fled in shame to Sicyon after
Leda and the Swan (Correggio) and extraordinary balance between naturalist rendering and poetic transfiguration. Correggio had made a study of Michelangelo's "Leda and the Swan". According to Vasari's "Lives of the Artists", the "Leda" and a "Venus" (i.e. "Danaë") were commissioned by Federico II Gonzaga, Duke of Mantua as a gift for Charles V, Holy Roman Emperor. This is supported by the theory that Jupiter was flying out of the right hand side of "Leda" in swan form and into the left hand side of "Danaë" in golden-shower form. However, one more recent study suggests that all the paintings in the "amori di Giove" series