Thyestes killed Atreus. While Thyestes ruled Mycenae, the sons of Atreus, Agamemnon and Menelaus, were exiled to Sparta. There, King Tyndareus accepted them as the royalty that they were. Shortly after, he helped the brothers return to Mycenae to overthrow Thyestes, forcing him to live in Cytheria, where he died. As a token of good will and allegiance, King Tyndareus offered his daughters to Agamemnon and Menelaus as wives, Clytemnestra and Helen respectively. When Agamemnon left Mycenae for the Trojan War, Aegisthus seduced Agamemnon's wife, Clytemnestra, and the couple plotted to kill her husband upon his return. They succeeded, killing Agamemnon
Mentes (King of the Taphians) at Pylos and King Menelaus of Sparta, to make inquiries as to the whereabouts of his father. Upon his return, but he should kill the suitors, either by stealth or publicly. Although Mentes had hardly any appearances in Greek myths of earlier antiquity, he became a symbol of a guardian and a mentor. Later, his name got a derogatory flavor and became a symbol of a sinister messenger. He is not to be confused with Mentor, the elderly friend of Odysseus in whose care Telemachus was placed during the Trojan War. To add to the possible confusion, Athena also takes