Mortal Cretan princess, daughter of Catreus son of Minos; wife of Atreus and mother of Agamemnon and Menelaus. Her adultery with her husband's brother Thyestes — and her theft of the golden lamb to give him — is the human spark of the Atreid feud. Drowned at sea by Atreus in the dominant tradition. The mortal mother through whom the commander Agamemnon and his brother Menelaus descend.