In Greek mythology, Idas (; Ancient Greek: Ἴδας, romanized: Ídas), was a Messenian prince. He was one of the Argonauts, a participant in the hunt for the Calydonian Boar and contender with the gods. Idas was described as keen and spirited. Family. Idas was the son of Aphareus and Arene and the elder brother of Lynceus and Pisus. He was sometimes regarded as the offspring of Poseidon. In some accounts, the wife of Aphareus and thus, Idas' possible mother was named as Polydora or Laocoosa. By Marpessa, Idas had one daughter named Cleopatra Alcyone who married Meleager. Mythology.
https://en.wikipedia.org/wiki/Idas_of_Messene