Pharnaces (son of Arsames)

Pharnaces Ι (Greek: Φαρνάκης; Elamite: Parnaka; c.565–497 BCE) was a son of Arsames. He was a younger brother of Hystaspes, and therefore an uncle of Achaemenid Emperor Darius I, son of Hystaspes. He was the founder of the Pharnacid dynasty that ruled over Hellespontine Phrygia.