Note {1} — Chapter V

Note 1.—The Government of this frontier, from Kazwin or Rei to the banks of the Oxus, was usually, under the Mongol sovereigns of Persia, confided to the heir of the throne. Thus, under Hulaku it was held by Ábáká, under Ábáká by Arghún, and under Arghún by Gházán. (See Hammer, passim.)