In Greek mythology, Agamemnon was the son of King Atreus and queen Aerope of Mycenae, the brother of Menelaus, the husband of Clytemnestra and the father of Iphigenia, Electra, Orestes and Chrysothemis. Mythical legends make him the king of Mycenae or Argos, thought to be different names for the same area. When Helen, the wife of Menelaus, was abducted by Paris of Troy, Agamemnon commanded the united Greek armed forces in the ensuing Trojan War.Agamemnon gathered the reluctant Greek forces to sail for Troy. Preparing to depart from Aulis, Agamemnon's army incurred the wrath of the goddess Artemis. There are several reasons throughout myth for such wrath: Agamemnon has slain an animal sacred to Artemis, or that he was Artemis' equal in hunting. A lack of wind prevented the army from sailing. Finally, the prophet Calchas announced that the wrath of the goddess could only be propitiated by the sacrifice of Agamemnon's daughter Iphigenia. Agamemnon did eventually sacrifice Iphigenia. Her death appeased Artemis, and the Greek army set out for Troy.