(Ἄλθηπος), a son of Poseidon and Leis, a daughter of Orus, king of Troezen. The territory of Troezen was called after him Althepia. In his reign Pallas and Poseidon disputed the possession of the country with each Other (Paus. 2.30.6.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890