. "Unknown" . . "Parsig faction" . "Siege of Ctesiphon (629)" . . "besieged the city" . . "besieged Ctesiphon" . "captured Ctesiphon" . . . . "Shahrbaraz victory; Shahrbaraz becomesShahanshah of theSasanian Empire" . "Shahrbarazforces" . "Nimruzi faction" . "Allies:" . . . . . . . "Sasanian Empire" . . "Siege of Ctesiphon" . "6,000" . . . . . . "Siege of Ctesiphon (629)" . "0629-04-27" . "Unknown" .