Agis and Cleomenes
Plutarch
Plutarch. Plutarch's Lives, Vol. X. Perrin, Bernadotte, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1921.
Agis was of the Eurypontid royal house, a son of Eudamidas, and the sixth in descent from the Agesilaüs who crossed into Asia and became the most powerful Greek of his time. For Agesilaüs had a son Archidamus, who was slain by the Messapians at Mandurium in Italy[*](In 338 B.C.); Archidamus had an elder son Agis, and a younger son Eudamidas, who, after Agis was slain by Antipater at Megalopolis[*](In 330 B.C.) leaving no issue, became king; Eudamidas was succeeded by Archidamus, Archidamus by another Eudamidas, and Eudamidas by Agis,[*](In 224 B.C.) the subject of this Life.