(Πλεισθένης), a sonof Atreus, and husband of Aerope or Eriphyle, the daughter of Catreus, by whom he became the father of Agamemnon, Menelaus, and Anaxibia (Apollod. 2.2.2; Schol. ad Eurip. Or. 5; Aeschyl. Agam. 1569; comp. AGAMEMNON; ATREUS). A son of Thyestes, who was killed by Atreus, was like-wise called Pleisthenes. (Hyg. Fab. 88.)