POLYDEKTES King of Seriphos, and a brother to the fisherman Diktys, who had rescued the castaway Danae and her infant Perseus.Polydektes, amorous of Danae, set Perseus the task of retrieving the head of the Gorgon Medusa, and returning it to the king. While the youth was away on thisquest, Polydektes wooed his mother, but she held firm, and when Perseus returned with his prize he used the head of the Gorgon to turn Polydektes and all his retinue tostone.