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
Pausanias of Sparta Pausanias of Sparta Pausanias (Greek: Παυσανίας) was the Agiad King of Sparta from 445 BC to 426 BC and then from 408 BC to 395 BC. He was the son of the Spartan Agiad king Pleistoanax. His first reign was as a minor after his father, Pleistoanax, was temporarily deposed and exiled after being charged by the Spartans with taking a bribe, probably from the Athenian leader, Pericles, to withdraw from the plain of Eleusis in Attica after leading the Peloponnesian forces there following the revolts of Euboea and Megara from the Athenian empire. In 426 BC, Pleistoanax was recalled