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...

, Atrax was the son of the river god Peneus

Peneus

In Greek mythology, Peneus was a Thessalian river god, one of the three thousand Rivers , a child of Oceanus and Tethys. The nymph Creusa bore him one son, Hypseus, who was King of the Lapiths, and three daughters, Menippe , Daphne, and Stilbe. He also had a son Atrax with Bura, and Andreus with...

 and Bura

Bura (mythology)

In Greek mythology, Bura was a daughter of Ion, son of Xuthus, and Helice. She was the eponym of the city Boura in Achaea.She is possibly the same as Bura, mother of Atrax by Peneus....

. He was believed to have been the founder and eponym

Eponym

An eponym is the name of a person or thing, whether real or fictitious, after which a particular place, tribe, era, discovery, or other item is named or thought to be named...

 of Atrax or Atracia, a city 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....

. He had three daughters: Hippodamia (wife of Pirithous)

Hippodamia (wife of Pirithous)

Hippodamia and δαμάζειν damazein , "Tamer of horses"; also known as Deidamia ), daughter of Atrax or Butes, was the bride of King Pirithous of the Lapiths. At their wedding, Hippodamia, the other female guests, and the young boys were almost abducted by the Centaurs. Pirithous and his friend,...

; Caenis, who transformed into a male, Caeneus

Caeneus

In Greek mythology, Caeneus was a Lapith hero of Thessaly and, in Ovid's Metamorphoses— where the classical model of a hero is deconstructed and transformed— originally a woman, Caenis, daughter of Atrax...

; and Damasippe, who was married to Cassandrus of Thrace

Thrace

Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east...

 and fell in love with her stepson Hebrus (Cassandrus' son by his first wife Crotonice); as he rejected all her advances, she took revenge on him by falsely accusing him of seducing her; Cassandrus believed the accusations and tried to kill Hebrus, who threw himself into the river Rhombus, which was subsequently renamed Hebrus.