Vologases V
…Parthian Empire and establishing the Sasanian Empire in 224. Vologases died in 208, succeeded by his son Vologases VI (r. 208–228), however another son, Artabanus IV (r. 216–224), attempted to seize the throne a few years later, resulting in a civil war. Chaumont, M. L.; Schippmann, K. (1988). "Balāš". In Yarshater…