达延汗
The Yunsheebuu Tümen consisted of the three sub-tribes: Kharchin, Asud and Yunsheebuu itself. It was one of the right wing of the eastern Mongols ruled by Dayan Khan and his successors. The Yunsheebuu Tümen or its original tribal alliance was the largest and the most powerful one among the eastern Mongol tribes before Dayan Khan regained the golden family's ruling power on the Mongols.