[Or do they deny the existence of God?] Have they themselves been created without anything [that might have caused their creation]? or were they, perchance, their own creators?

Were they created of nothing, or were they themselves the creators?

Or were they created out of naught? Or are they the creators?

Or were they created without a (creative) agency? Or are they the creators?

Or were they created by nothing, or were they the creators [of themselves]?