The Pontic prince was of Persian, Macedonian and Galatian ancestry.
[1] His father sent Mithridates to Pergamon to be educated, where he became a leading citizen of that city.
In the winter of 48-47 BC, Julius Caesar was under siege in Alexandria by the armies of Achillas, guardian and general for King Ptolemy XIII Theos Philopator.
In the aftermath of the Second Battle of Zela, Caesar made him king of the Bosporan Kingdom.
Sometime between 27 and 17 BC, Augustus formally recognised Asander as king of Bosporus.