Jamuka had been Temujin’s first rival, and now he ended his life as the last of the Mongol aristocrats opposing him. In Temujin’s long quest for control of the Mongol clans, Temujin had defeated every tribe on the steppe and removed the threat of every aristocratic lineage by killing off their men and marrying their women to his sons and other followers. He chafed under the authority of anyone who stood above him.