In Greek mythology, the son of Hermes and Herse. He was married to Procris, a daughter of Erechtheus. While hunting he was kidnapped by Eos, but she could not diminish his love for Procris. However, when Procris, out of jealousy, spied on her husband during one of his hunts, he mistook her for an animal and accidentally killed her. Cephalus was banned for this. Later he helped Amphitryon in a war, and for his assistance he was awarded with the island of Cephallenia.