In Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

, Enipeus was a river god, son of Oceanus

Oceanus

Oceanus ; , Ōkeanós) was a pseudo-geographical feature in classical antiquity, believed by the ancient Greeks and Romans to be the world-ocean, an enormous river encircling the world....

 and Tethys

Tethys (mythology)

In Greek mythology, Tethys , daughter of Uranus and Gaia was an archaic Titaness and aquatic sea goddess, invoked in classical Greek poetry but not venerated in cult. Tethys was both sister and wife of Oceanus...

. Enipeus was loved by a mortal woman named Tyro

Tyro

In Greek mythology, Tyro was the daughter of Salmoneus and married Cretheus, but loved Enipeus. She gave birth to Pelias and Neleus, the twin sons of Poseidon. With Cretheus she had Aeson, Pheres, and Amythaon....

, who was married to a mortal man named Cretheus

Cretheus

In Greek mythology, Cretheus or Krētheus was the king and founder of Iolcus, the son of Aeolus and Enarete. His wives were Tyro and either Demodice or Biadice. With Tyro, he fathered Aeson, Pheres, and Amythaon...

. She pursued Enipeus, who refused her advances. One day, Poseidon

Poseidon

Poseidon was the god of the sea, and, as "Earth-Shaker," of the earthquakes in Greek mythology. The name of the sea-god Nethuns in Etruscan was adopted in Latin for Neptune in Roman mythology: both were sea gods analogous to Poseidon...

, filled with lust for Tyro

Tyro

In Greek mythology, Tyro was the daughter of Salmoneus and married Cretheus, but loved Enipeus. She gave birth to Pelias and Neleus, the twin sons of Poseidon. With Cretheus she had Aeson, Pheres, and Amythaon....

, disguised himself as Enipeus and from their union was born Pelias

Pelias

Pelias was king of Iolcus in Greek mythology, the son of Tyro and Poseidon. His wife is recorded as either Anaxibia, daughter of Bias, or Phylomache, daughter of Amphion. He was the father of Acastus, Pisidice, Alcestis, Pelopia, Hippothoe, Asteropia, and Antinoe.Tyro was married to Cretheus...

 and Neleus

Neleus

Neleus was the son of Poseidon and Tyro and brother of Pelias. Tyro was married to Cretheus but loved Enipeus, a river god. She pursued Enipeus, who refused her advances. One day, Poseidon, filled with lust for Tyro, disguised himself as Enipeus and from their union was born Pelias and Neleus,...

, twin boys. The River Enipeus (now Enipefs

Enipefs

The Enipeas is a river in central Greece, tributary of the Pineios. Its source is in the northern part of the Phthiotis prefecture, north of Lamia. It flows generally northwest, through Thessaly. It flows through Farsala and Fyllo, and flows into the Pineios near Farkadona....

) is located in Thessaly

Thessaly

Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey....

, and was a key factor in the Battle of Pharsalus

Battle of Pharsalus

The Battle of Pharsalus was a decisive battle of Caesar's Civil War. On 9 August 48 BC at Pharsalus in central Greece, Gaius Julius Caesar and his allies formed up opposite the army of the republic under the command of Gnaeus Pompeius Magnus...

.