Olympias
Olympias (?–316 B.C.), wife of Philip II of Macedon and mother of Alexander the Great. Olympias married Philip in 357 B.C. When he cast her aside to marry Cleopatra, niece of one of his generals, she sought revenge. Olympias was suspected of involvement in Philip's murder in 336 B.C. She was responsible for the deaths of Cleopatra and the infant son of Philip and Cleopatra.
After Alexander's accession to the throne in 336 B.C., Olympias regained influence. In 323 B.C. she was forced to flee when Alexander died and her enemy, Antipater, assumed control. She later opposed Antipater's son, Cassander. Her army was defeated and she was put to death.