Artaxias I
Around 200 BC, in his attempt to finally subjugate Armenia, Seleucid king Antiochus III conquered both Greater Armenia and Sophene, installing Armenian generals Artaxias I and Zariadres as governors-strategoi in the respective kingdoms. Following Antiochus' defeat by the Romans at the battle of Magnesia in 190 BC, both Zareh and Artashes declared themselves independent kings. Zareh and his descendants ruled the kingdom of Sophene until it was reunified with Greater Armenia by Tigranes the Great in the 80s BC.