Vologases I of Parthia Parthian king 51-ca. 78 CE (0025–0080) Parents Vonones II of Parthia Gotarzes II of Parthia Children Artabanus III of Parthia Vardanes II of Parthia Osroes I of Parthia Vologases II of Parthia Siblings Pacorus II Tiridates I of Armenia Osroes I of Parthia
