Atreus/Definition

A character from Greek mythology who was the grandson of Tantalos and son of Pelops, as well as being father of Agamemnon and Menelaos. His brother Thyestes seduced his wife Aerope, so Atreus took revenge against his brother by killing his Thyestes' sons and serving their flesh to Thyestes at a banquet. Source: Elizabeth Vandiver, Classics scholar, authority on Greek mythology and Greek tragedy, including the Iliad, Odyssey, Aeneid, Homer, and Virgil. This definition is based on her course Classical Mythology for The Teaching Company.