What is the curse of Agamemnon?

Agamemnon’s family was cursed with a cycle of generational violence, beginning with Tantalus, who was punished by the gods for trying to feed them his son, Pelops. After the gods revived him, Pelops killed an accomplice who had helped him illegally win his bride, Hippodamia. Pelops’s sons Atreus and Thyestes committed various atrocities against each other, including Thyestes’s seduction of Atreus’s wife. Agamemnon and Menelaus, who were Atreus’s sons, were exiled for the murder of another brother. Agamemnon was eventually killed by his cousin Aegisthus, who had seduced Agamemnon’s wife, Clytemnestra.