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
Menelaus (son of Lagus) when Demetrius Poliorcetes arrived in Cyprus with a powerful fleet and army. Unable to contend with this formidable antagonist in the open field, Menelaus drew together all his forces, and shut himself up within the walls of Salamis, which he prepared to defend to the utmost. But having risked an action under the walls of the town, he was defeated with much loss; and Demetrius pressed the siege with his wonted vigour. Menelaus, however, succeeded in burning his battering engines; and by the most strenuous exertions, made good his defence until the arrival of Ptolemy himself, with a powerful fleet,