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 (Leonardo) on wood, 128 x 106 cm). In 1508 Leonardo painted a different composition of the subject. The picture known as "Leda and the Swan" depicted a nude standing Leda cuddling the swan, with the two sets of infant twins, and their huge broken egg-shells. The original of this is lost, probably deliberately destroyed, and was last recorded in the French royal Château de Fontainebleau in 1625 by Cassiano dal Pozzo: "A standing figure of Leda almost entirely naked, with the swan at her and two eggs, from whose broken shells come forth four babies, This work, although somewhat dry in