13. See the second volume of the Genealogical History of the
Tartars, and the lists of the Khans at the end of the life
of Gengis, or Zingis. Under the reign of Timur, or
Tamerlane, one of his subjects a descendant of Zingis, still
bore the regal appllation of Khan; and the conqueror of Asia
contented himself with the title of Emir or Sultan.
Abulghazi, part v. c. 4. D'Herbelot, Bibliotheque Orientale,
p. 878.