Ariobarzanes succeeded his kinsman or father, Mithridates

Mithridates I of Cius

Mithridates , son of Ariobarzanes prince of Cius, is mentioned by Xenophon as having betrayed his father, and the same circumstance is alluded to by Aristotle....

 or alternatively succeeded another Ariobarzanes I of Cius

Ariobarzanes I of Cius

Ariobarzanes , Ariobarzan or spelled as Ario Barzan or Aryo Barzan, perhaps signifying "exalting the Aryans" , was Satrap of Phrygia, leader of independence revolt, and the first known of the line of rulers of the Greek town of Cius from which were eventually to stem the...

, as ruler of the Greek town of Cius

Cius

Cius or Kios , later renamed Prusias ad Mare after king Prusias I of Bithynia, was an ancient Greek city bordering the Propontis , in Bithynia , and had a long history, being mentioned by Aristotle, and Strabo. It was colonized by the Milesians and became a place of much commercial importance...

 in Mysia

Mysia

Mysia was a region in the northwest of ancient Asia Minor or Anatolia . It was located on the south coast of the Sea of Marmara. It was bounded by Bithynia on the east, Phrygia on the southeast, Lydia on the south, Aeolis on the southwest, Troad on the west and by the Propontis on the north...

, governing 26 years between 363 and 337 BC for the Persians

Achaemenid Empire

The Achaemenid Empire , sometimes known as First Persian Empire and/or Persian Empire, was founded in the 6th century BCE by Cyrus the Great who overthrew the Median confederation...

. It was seemingly his family which in mid-360s BCE revolted from Artaxerxes II

Artaxerxes II of Persia

Artaxerxes II Mnemon was king of Persia from 404 BC until his death. He was a son of Darius II of Persia and Parysatis.-Reign:...

, ending up to defeat in 362. He was succeeded as governor of Cius by Mithridates

Mithridates II of Cius

Mithridates of Cius succeeded his kinsman or father Ariobarzanes II in 337 BC as ruler of the Greek town of Cius in Mysia . Diodorus assigns him a rule of thirty-five years, but it appears that he did not hold uninterrupted possession of the sovereignty during that period...

, possibly his son, certainly a kinsman, such as younger brother.

This Ariobarzanes cannot have been the satrap Ariobarzanes

Ariobarzanes

-Persian satraps:*Ariobarzanes of Phrygia , Persian satrap of Phrygia who led an unsuccessful revolt against the Achamenian King Artaxerxes II*Ariobarzanes, Satrap of Persis -Persian satraps:*Ariobarzanes of Phrygia (fl. 407 BC – 362 BC), Persian satrap of Phrygia who led an unsuccessful revolt...

 of Phrygia who revolted and was killed in c.362 BCE by cruxifixion. Being probably a kinsman however, that Ariobarzanes is called by Diodorus

Diodorus Siculus

Diodorus Siculus was a Greek historian who flourished between 60 and 30 BC. According to Diodorus' own work, he was born at Agyrium in Sicily . With one exception, antiquity affords no further information about Diodorus' life and doings beyond what is to be found in his own work, Bibliotheca...

satrap

Satrap

Satrap was the name given to the governors of the provinces of the ancient Median and Achaemenid Empires and in several of their successors, such as the Sassanid Empire and the Hellenistic empires....

 of Phrygia

Phrygia

In antiquity, Phrygia was a kingdom in the west central part of Anatolia, in what is now modern-day Turkey. The Phrygians initially lived in the southern Balkans; according to Herodotus, under the name of Bryges , changing it to Phruges after their final migration to Anatolia, via the...

, and by Nepos

Cornelius Nepos

Cornelius Nepos was a Roman biographer. He was born at Hostilia, a village in Cisalpine Gaul not far from Verona. His Gallic origin is attested by Ausonius, and Pliny the Elder calls him Padi accola...

satrap of Lydia

Lydia

Lydia was an Iron Age kingdom of western Asia Minor located generally east of ancient Ionia in the modern Turkish provinces of Manisa and inland İzmir. Its population spoke an Anatolian language known as Lydian....

, Ionia

Ionia

Ionia is an ancient region of central coastal Anatolia in present-day Turkey, the region nearest İzmir, which was historically Smyrna. It consisted of the northernmost territories of the Ionian League of Greek settlements...

, and Phrygia. He revolted from Artaxerxes II

Artaxerxes II of Persia

Artaxerxes II Mnemon was king of Persia from 404 BC until his death. He was a son of Darius II of Persia and Parysatis.-Reign:...

 in 360s. Demosthenes

Demosthenes

Demosthenes was a prominent Greek statesman and orator of ancient Athens. His orations constitute a significant expression of contemporary Athenian intellectual prowess and provide an insight into the politics and culture of ancient Greece during the 4th century BC. Demosthenes learned rhetoric by...

 speaks of Ariobarzanes of Phrygia and his three (or two?) sons having been lately made Athenian

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 citizens. He mentions him again in the following year and says, that the Athenians had sent Timotheus

Timotheus (general)

Timotheus was a Greek statesman and general who sought to revive Athenian imperial ambitions by making Athens dominant in a second Athenian Empire. He was the son of the Athenian general, Conon...

 to his assistance; but that when the Athenian general saw that Ariobarzanes was in open revolt against the king, he refused to assist him. Probably the other Ariobarzanes held some high office in the Persian court in 368 BCE, as we find him, apparently on behalf of the king, sending an embassy to Greece

Ancient Greece

Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

in 368.