Battle of the Cephissus, 15 March 1311 conflict between the Frankish Greek forces of Walter V of Brienne and the mercenaries of the Catalan Company
He had some of the avenging and fearful character of an Erynis, for Pausanias saw near the River Cephissus "an ancient altar of Zeus Meilichios; on it Theseus received purification from the descendants of Phytalos after he had slain among other robbers Sinis, who was related to himself".
Liriope (nymph), the mother of Narcissus by the river-god Cephissus, according to Ovid's Metamorphoses.