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Atreus was the mythical Greek king of Mycenae. He is perhaps best known for being the father of Agamemnon and Menelaus, two heroes of the Trojan War, as well as for the terrible curse placed upon his family. This was a hereditary curse, plaguing the family for five generations with a vicious cycle of murder and revenge.

The curse of the House of Atreus began when its founder, Tantalus, offended the gods by serving them a feast made of the dismembered remains of his own son, Pelops, in an attempt to test their omniscience. It continued with the rivalry between Atreus and his brother Thyestes that blossomed into a bloody feud, and it afflicted the next generation as well, with the murder of Agamemnon by his own wife. The curse did not end until Atreus’ grandson Orestes avenged Agamemnon’s murder and was absolved from all guilt by the gods.

The story of Atreus and his heirs made excellent dramatic material for ancient Greek and Roman literature, as seen in the trilogy known as the Oresteia written by Greek tragedy playwright Aeschylus (c. 525 to c. 456 BCE) and the tragedy Thyestes written by Seneca (4 BCE to 65 CE). The members of the House of Atreus are referenced in many different sources of Greek mythology, with Atreus’ descendants being collectively known as Atreidai, the plural form of the patronymic name Atreides.

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