 At the beginning, Olympias had not been involved in this conflict, but she soon realized that in the case of Cassander's rule, her grandson would lose the crown, so she allied with Polyperchon in 317 BC.The Macedonian soldiers supported her return and the united armies of Polyperchon and Olympias, with the house of Aeacides, invaded Macedonia to drive Cassander out from power.After winning in battle by convincing the army of Adea Eurydice, the wife of Philip III, to side with her own, Olympias captured and executed the two in October 317 BC.