Case File: Atreus vs. Thyestes
Case Description: Complainant (Atreus) accuses Defendant (Thyestes) of adultery and theft. Atreus accused his brother, Thyestes, of sleeping with his wife, Aerope, and stealing his sheep with golden wool.
Case Status: Case closed. Atreus took his own grisly revenge by inviting Thyestes to his house and feeding him a tasty meal... of his own children.
Addendum: Many say that Atreus' grisly verdict put a curse on his descendants, like Orestes, which is why their lives turned out to be so messed up.