Helena of Adiabene

Helena of Adiabene was a queen mother of Adiabene, a vassal state of the Parthian Empire. With her husband, and probably also brother, Monobaz I, she was the mother of Izates II and Monobaz II. Helena became a convert to Judaism about the year 30 CE. According to Josephus, Helena was the daughter of King Izates. Moses of Chorene makes her the chief wife of Abgar V, king of Edessa.