Rev I, "the Just" was a king of (Caucasian) Iberia

Caucasian Iberia

Iberia , also known as Iveria , was a name given by the ancient Greeks and Romans to the ancient Georgian kingdom of Kartli , corresponding roughly to the eastern and southern parts of the present day Georgia...

 (natively known as Kartli

Kartli

Kartli is a historical region in central-to-eastern Georgia traversed by the river Mtkvari , on which Georgia's capital, Tbilisi, is situated. Known to the Classical authors as Iberia, Kartli played a crucial role in ethnic and political consolidation of the Georgians in the Middle Ages...

, i.e., eastern Georgia

Georgia (country)

Georgia is a sovereign state in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded to the west by the Black Sea, to the north by Russia, to the southwest by Turkey, to the south by Armenia, and to the southeast by Azerbaijan. The capital of...

) from 189 to 216 AD. His reign inaugurated the local Arsacid dynasty

Arsacid dynasty of Iberia

The Iberian Arsacids , a branch of the eponymous Parthian dynasty, ruled the ancient Georgian kingdom of Iberia from c. 189 until 284 AD, when they were succeeded by the Chosroid Dynasty.-History:...

.

He is known exclusively from the medieval Georgian annals which make him a son of the king of Armenia, whom Professor Cyril Toumanoff

Cyril Toumanoff

Cyril Leo Heraclius, Prince Toumanoff was an United States-based historian and genealogist who mostly specialized in the history and genealogies of medieval Georgia, Armenia, the Byzantine Empire, and Iran...

 identifies with the Arsacid

Arsacid Dynasty of Armenia

The Arsacid dynasty or Arshakuni dynasty ruled the Kingdom of Armenia from 54 AD to 428 AD. Formerly a branch of the Iranian Parthian Arsacids, they became a distinctly Armenian dynasty. Arsacid Kings reigned intermittently throughout the chaotic years following the fall of the Artaxiad Dynasty...

 Vologases II (r. 180-191). Rev was enthroned by the rebellious Iberian nobles who deposed his maternal uncle, Amazasp II, last of the Pharnabazids

Pharnabazid Dynasty

The Pharnabazid or P’arnavaziani is the name of the first dynasty of Georgian kings of Kartli preserved by the Georgian historical tradition. Their rule lasted, with intermissions, from the 3rd century BC to the 2nd century AD. The main male line is reported to have become extinct early on and...

. Rev is reported to have married a "Greek" princess Sephelia who is said to have brought an idol of Aphrodite

Aphrodite

Aphrodite is the Greek goddess of love, beauty, pleasure, and procreation.Her Roman equivalent is the goddess .Historically, her cult in Greece was imported from, or influenced by, the cult of Astarte in Phoenicia....

 to Iberia, but there is no indication of a local cult of this Greek goddess having ever existing.

The Georgian chronicle Life of the Kings says that Rev, albeit pagan, was sympathetic to the doctrines of Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 and came to be known as mart'ali, or "the Just" for his patronage of a local embryonic Christian community.The Georgian historian Toumanoff illustrated that this sobriquet is a direct translation of dikaios

Dikaios

Dikaios is a title given to holy men and women of the Old Testament in Eastern Christianity. The Greek word means righteous or just, and distinguishes the bearer from the Christian era saints. The prominent dikaioi are celebrated with their own feast days in the liturgical year...

, an epithet frequently used in the titulature of the Arsacid kings of Parthia

Parthia

Parthia is a region of north-eastern Iran, best known for having been the political and cultural base of the Arsacid dynasty, rulers of the Parthian Empire....

.