Phraates I of Parthia

Phraates I was king of the Arsacid dynasty from 170/168 BC to 165/64 BC. He subdued the Amardi, conquered their territory in the Alborz mountains, and reclaimed Hyrcania from the Seleucid Empire. He died in 165/64 BC, and was succeeded by his brother Mithridates I, whom he had appointed his heir.