Ariobarzanes through his father was a distant relative of the Artaxiad dynasty as he was a descendant of an unnamed Artaxiad princess who was a sister of King Artavasdes II of Armenia who married Ariobarzanes' paternal ancestor Mithridates, a previous ruling king of Media Atropatene.
Ariobarzanes' ancestry revealed a familial connection to the Artaxiad dynasty through his father, specifically tracing back to an unknown princess who was the sister of King Artavasdes II of Armenia and married Ariobarzanes' paternal ancestor Mithridates, a former ruler of Media Atropatene.