Some Usbeg chiefs revolted in Oudh; they were joined by Khan Zeman.
"The Great Events by Famous Historians, Volume 9" by Various
When Murad Beg died, the power passed into the hands of another Usbeg, Mahommed Amir Khan.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2" by Various
He may be a Tajik, or an Usbeg, or a Kirghiz, or a Kipchak, too, but he is only known as a Yarkandi, or a Kashgari.
"The Life of Yakoob Beg" by Demetrius Boulger