Original sentence: According to Urartian cuneiforms, Sarduri III was followed by three kings--Erimena (635 - 620 BC), his son Rusa III (620 - 609 BC), and the latter's son Rusa IV (609 - 590 or 585 BC)
Edited sentence: According to Urartian cuneiforms, Sarduri III was followed by three kings--Erimena (635 - 620 BC), his son Rusa III (620 - 609 BC), and the latter's son Rusa IV (609 - 590 BC)