Sev'en against" Thebes'
1. Class. Myth.seven heroes, Amphiaraus, Capaneus, Eteoclus, Hippomedon, Parthenopaeus, Polynices, and Tydeus, who led an expedition against Thebes to depose Eteocles in favor of his brother Polynices: the expedition failed, but the Epigoni, the sons of the Seven against Thebes, conquered the city ten years later.
2. (italics) a tragedy (468?b.c.) by Aeschylus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.