 Later, Bumin's successor Muqan Qaghan defeated the Hephthalites as well as the Turkic Tiele.Superficially these victories over the Tiele, Rouran and Hephthalites echo a narrative in the "Theophylact", boasting of Tardan's victories over the Hephthalites, Avars and Oghurs.However, the two series of events are not synonymous