Definitions for "Yesugei"
Yesugei Baghatur or Yesugei The Brave (11XX–1180) (Yesügei, Yesükhei) was a Mongol Khan (or ruler). He was the son of Bartan-baghatur, who was the son of Qabul, who was recognized as a Khagan by the Jin Dynasty. Qabul Khagan was, in turn, the grandson of the Mongol chief Qaidu, the first to try to unite all of the Mongols.