For Zenon's service to the Parthian Campaign, Antony appointed Polemon in 39 BC, as Roman Client King of Cilicia and then in 37 BC after the death of King Arsaces of Pontus, Antony appointed him as Roman Client King of Pontus.
Antony appointed him as Roman Client King of Pontus. This was antony appointed Polemon in 39 BC and then in 37 BC after the death of King Arsaces of Pontus. This was as Roman Client King of Cilicia. This was for Zenon's service to the Parthian Campaign.