Parthamaspates, Roman

Roman Empire

The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

 client king of Parthia

Parthian Empire

The Parthian Empire , also known as the Arsacid Empire , was a major Iranian political and cultural power in ancient Persia...

 and later of Osroene

Osroene

Osroene, also spelled Osrohene and Osrhoene and sometimes known by the name of its capital city, Edessa , was a historic Syriac kingdom located in Mesopotamia, which enjoyed semi-autonomy to complete independence from the years of 132 BC to AD 244.It was a Syriac-speaking kingdom.Osroene, or...

, was the son of the Parthian emperor Osroes I

Osroes I of Parthia

Osroes I of Parthia ruled the Parthian Empire c. 109–129. He succeeded his brother Pacorus II. For the whole of his reign he contended with the rival king Vologases III based in the east of Parthia....

.

After spending much of his life in Roman exile

Exile

Exile means to be away from one's home , while either being explicitly refused permission to return and/or being threatened with imprisonment or death upon return...

, he accompanied the Roman Emperor

Roman Emperor

The Roman emperor was the ruler of the Roman State during the imperial period . The Romans had no single term for the office although at any given time, a given title was associated with the emperor...

 Trajan

Trajan

Trajan , was Roman Emperor from 98 to 117 AD. Born into a non-patrician family in the province of Hispania Baetica, in Spain Trajan rose to prominence during the reign of emperor Domitian. Serving as a legatus legionis in Hispania Tarraconensis, in Spain, in 89 Trajan supported the emperor against...

 on the latter's campaign to conquer Parthia. Trajan originally planned to annex Parthia as part of the Roman Empire

Roman Empire

The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

, but ultimately decided instead to place Parthamaspates on his father's throne as a Roman client, doing so in 116

116

Year 116 was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Lamia and Vetus...

. Following Roman withdrawal from the area, Osroes easily defeated Parthamaspates and reclaimed the Parthian throne.

After his defeat in Parthia, Parthamaspates again fled to the Romans who then, as a consolation, granted him the co-rule of Osroene, a small Roman client state

Client state

Client state is one of several terms used to describe the economic, political and/or military subordination of one state to a more powerful state in international affairs...

 between Asia Minor

Asia Minor

Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...

 and Syria

Syria

Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

. He was king of Osroene

Osroene

Osroene, also spelled Osrohene and Osrhoene and sometimes known by the name of its capital city, Edessa , was a historic Syriac kingdom located in Mesopotamia, which enjoyed semi-autonomy to complete independence from the years of 132 BC to AD 244.It was a Syriac-speaking kingdom.Osroene, or...

 together with Yalur from 118

118

Year 118 was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Hadrianus and Fuscus...

 to 122

122

Year 122 was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aviola and Neratius...

, and afterwards sole ruler to 123

123

Year 123 was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Paetinus and Apronianus...

.