A jasagh (засаг, or засаг ноён: засаг - Power, Authority) was the head of a Mongol banner or khoshun during the Qing Dynasty and Bodoa Khaanate of Mongolia. The term is rendered "zhasake" (札薩克) in contemporary Chinese documents. The position was held by hereditary succession by certain Mongol princes, most of whom were descendants of Genghis Khan. The princes who… (More on Zasag)