Emathion

In Greek mythology, Emathion refers to four individuals.

Ethiopian king
Emathion was king of Ethiopia, the son of Tithonus and Eos, and brother of Memnon. Heracles killed him.

Samothracian
Emathion was king of Samothrace, was the son of Zeus and Electra (one of the Pleiades), brother to Dardanus, Iasion, Eetion, and (rarely) Harmonia. He sent soldiers to join Dionysus in his Indian campaigns.

Trojan
Emathion was a Trojan prince, and the father of Atymnios and Diomedes, by the naiad Pegasis, daughter of Grenikos.

Aethiopian courtier
Emathion was an aged member of Cepheus's court. He "feared the gods and stood for upright deeds". He was killed by Chromis during the fight between Phineus and Perseus.