Pharnaces (son of Arsames)
Persian satrap of Hellespontine Phrygia (c. 565-497 BCE) / From Wikipedia, the free encyclopedia
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.[2][3]