Agamemnon, the leader of the Greek forces in the Trojan War, was married to Clytemnestra (12 letters). Clytemnestra was a powerful figure in Greek mythology and was known for her cunning and ambition. She was the daughter of King Tyndareus of Sparta and was the sister of Helen of Troy. After Agamemnon's death, Clytemnestra took a new husband, Aegisthus, and together they plotted to kill Agamemnon's son Orestes.