Successor of: Attalus III Philometor
- Father: Attalus II Philadelphus
- Mother: not known.
- 133: Attalus III Philometor, who has no children, leaves the Pergamene kingdom to the Romans.
- Aristonicus does not accept this bequest and revolts against Rome. He accepts the name Eumenes III.
- The cities of Pergamon and Ephesus do not support him, but he finds support in the countryside. The revolt becomes a social conflict between the suppressed people of the land and the rich urban people.
- The ideals of the revolutionaries are defended by Blossius of Cumae, who was also a supporter of Tiberius Sempronius Gracchus.
- 131: Rome sends an army.
- 130: Eumenes III Aristonicus defeats the Roman consul Publius Licinius Crassus Dives Mucianus at Leucae.
- 129: The Roman commander Marcus Perperna besieges Eumenes at Stratonicea and captures him. He is brought to Rome and executed.