2. A son of Jason and Medeia, is also called Macareus or Mormorus (Hyg. Fab. 239; Tzetz. ad Lyc. 175); he was murdered, together with his brother Pheres, by his mother at Corinth. (Apollod. 1.9.28; Hyg. Fab. 25; Diod. 4.54.) According to others he was stoned to death by the Corinthians (Paus. 2.3.6; Schol. ad Eurip. Med. 10), or he was killed during the chase by a lioness. (Paus. 2.3.7.) A centaur, Mermerus, is mentioned by Ovid. (Met. 12.305.)
[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