Question: Who is Julia Iotapa (Daughter Of Antiochus Iii)'s paternal grandfather?
Sentence (from "Antiochus III of Commagene"): After Antiochus' death, two factions appeared: one led by noblemen who wanted Commagene to be placed under the rule of the Roman Empire and the other led by citizens who wanted Commagene's independence to be retained under the rule of their own king.
Relevant evidence: No