Atreides
(
Ἀτρείδης), a patronymic from Atreus, to designate his sons and descendants. When used in the singular, it commonly designates Agamemnon, but in the plural it signifies the two brothers, Agamemnon and Menelaus. (
Hom. Il. 1.12, &c.;
Hor. Carm. 2.4.7, &c.)
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L.S]