1. A son of Agrius, was slain by Diomedes. (Apollod. i. 8. § 6; comp. OENEUS.)

2. A son of Astacus of Thebes, who, in the attack of the Seven on his native city, slew Tydeus and Mecisteus. His tomb was shown in the neighbourhood of Thebes on the road to Chalcis. (Aeschyl. Sept. 409; Apollod. iii. 6. § 8; Herod. v. 67; Paus. ix. 18. § 1.)

3. A son of Theseus and Perigune, and father of Ioxus. (Paus. x. 25. § 2; Plut. Thes. 8.)

4. A son of Ares and Triteia, the daughter of Triton. (Paus. vii. 22. § 5.)

5. One of the sons of Priam. (Apollod. iii. 12. § 5.)

6. A youth of Patrae, in Achaia, who was in love with Comaetho, a priestess of Artemis Triclaria. As the parents on both sides would not consent to their marriage, Melanippus profaned tile temple of the goddess by his intercourse with Comaetho. The goddess punished the two offenders with instantaneous death, and visited the whole country with plague and famine. The oracle of Delphi revealed the cause of these calamities, and ordered the inhabitants to sacrifice to Artemis every year the handsomest youth and the handsomest maiden. (Paus. vii. 19. § 2.)

7. A seventh mythical personage of this name is mentioned by Homer. (Il. xv. 547, 576.)