Belgutei
Belgutei (c. 1161–c. 1271) was a son of Yesugei and a half-brother of Genghis Khan. After his brother Begter was killed by Temujin in youth, Belgutei became his loyal follower.
As a general and envoy he once dissuaded Temujin from pursuing the man who slashed his arm at a banquet. After the empire was proclaimed in 1206, he was enfeoffed as prince with three thousand households. Tradition credits him with longevity.