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Andragoras is not mentioned in the partition of power of the Treaty of Triparadisus in 321 BC, when instead Philip was named as the ruler of Parthia.This would suggest that Andragoras either fell from favour or died in the meantime.There is a possibility that this Andragoras never existed and is only mentioned by Justin by mistake, since in other classical sources Phrataphernes is usually mentioned as the satrap of Parthia until the time of Philip.