In Greek mythology, Thyestes was a king of Olympia. Thyestes and his brother, Atreus, were exiled by their father for having murdered their half-brother, Chrysippus, in their desire for the throne of
Aegisthus and Thyestes (second from right) murder Atreus on a 340–300 BC red-figure Apulian amphora in the National Archaeological Museum of Taranto.
Thyestes and Aerope, painting by Nosadella.
In Greek mythology, Agamemnon was a king of Mycenae who commanded the Achaeans during the Trojan War. He was the son of King Atreus and Queen Aerope, the brother of Menelaus, the husband of Clytemnest
Thyestes
…both father and grandfather to the boy and that Atreus was his uncle. Aegisthus then 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…
Fifth century BC depiction of Agamemnon seated while holding his scepter.
Fourth century BC depiction of Chryses attempting to ransom his daughter Chryseis from Agamemnon.
The Sacrifice of Iphigenia by Charles de La Fosse
Achilles' surrender of Briseis to Agamemnon, from the House of the Tragic Poet in Pompeii, fresco, 1st century AD, now in the Naples National Archaeological Museum