Nisus and Scylla

During Minos' campaign against Athens, the Cretan army attacked Megara, a kingdom in the Corinthian Isthmus that was allied with Athens.

At the time of the siege, Megara's king was Nisus (Νἳσος), the son of Pandion, who was formerly a king of Athens. Nisus' mother was Pylia, daughter of Pylas, king of Megara. Nisus had a daughter named Scylla (Σκύλλη).

According to the legend, Nisus had a lock of purple hair on his head. As long as his hair was on his head, Nisus could not die and he would not lose his kingdom to any invaders. But the king never suspected treachery from his own daughter.

Scylla watched the besieging army from the high walls of Megara. When Scylla first saw Minos, she fell in love with her father's enemy. Scylla betrayed her father by pulling the purple hair out of his head, which instantly killed him. With Nisus' death, the city of Megara surrendered to Minos.

However, Minos did not reward Scylla for her treachery or his victory over Megara. Minos had the girl tied to the prow of his ship by her feet, so that Scylla drowned