Trojan War was reunited with Menelaus. Proteus also told Menelaus that he was destined for Elysium (Heaven) after his death. Menelaus returned to Sparta with Helen eight years after he had left Troy. Agamemnon returned home with Cassandra to Argos. His wife Clytemnestra (Helen's sister) was having an affair with Aegisthus, son of Thyestes, Agamemnon's cousin who had conquered Argos before Agamemnon himself retook it. Possibly out of vengeance for the death of Iphigenia, Clytemnestra plotted with her lover to kill Agamemnon. Cassandra foresaw this murder, and warned Agamemnon, but he disregarded her. He was killed, either at a feast or in
Polydorus of Sparta unique constitution of Sparta due to a lack of sources, so analyzing the reliability of Plutarch on Polydorus is difficult. Pausanias, another Greek writing under Roman rule, gave a detailed account of the First Messenian War, a conflict between Sparta and their neighbors who would soon become their slaves. He tells us that Polydorus was in charge of the left side of the Spartan forces at Ampheia, and that his co-king Theopompus was in command of the right flank (more influential for Spartan offensive tactics). Polydorus of Sparta Polydorus (Polydoros) (; reigned from c. 700 to c. 665 BC) was