"Eumenes II (/juːˈmɛniːz/; Greek: Εὐμένης Βʹ; ruled 197–159 BC) surnamed Soter meaning "Savior" was a ruler of Pergamon, and a son of Attalus I Soter and ...
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queen Apollonis and a member of the Attalid dynasty of Pergamon." - (en.wikipedia.org 11.08.2021)