The Central Asian plateau (north of China) around the time of Temüjin was divided into several tribes or confederations in the early 1200s, among them Naimans, Merkits, Uyghurs, Tatars, Mongols, Keraits that were all prominent in their own right and often unfriendly toward each other as evidenced by random raids, revenges, and plundering.
Temüjin began his slow ascent to power by offering himself as an ally (or, according to others sources, a vassal) to his father's anda (sworn brother or blood brother) Toghrul, who was Khan of the Kerait, and is better known by the Chinese title Ong Khan (or "Wang Khan"), which the Jin Empire granted him in 1197. This relationship was first reinforced when Börte was captured by the Merkits; it was to…show more content… As he defeated rival tribes, he didn't drive away enemy soldiers and abandon the rest. Instead, he took the conquered tribe under his protection and integrated its members into his own tribe. He would even have his mother adopt orphans from the conquered tribe, bringing them into his family. These political innovations inspired great loyalty among the conquered people, making Temüjin stronger with each victory.
Toghrul's (Wang Khan) son Senggum was jealous of Temüjin's growing power, and his affinity with his father. He allegedly planned to assassinate Temüjin. Toghrul, though allegedly saved on multiple occasions by Temüjin, gave in to his son and became uncooperative with Temüjin. Temüjin learned of Senggum's intentions and eventually defeated him and his loyalists. One of the later ruptures between Toghrul and Temüjin was Toghrul's refusal to give his daughter in marriage to Jochi, the eldest son of Temüjin, a sign of disrespect in the Mongolian culture. This act led to the split between both factions, and was a prelude to war. Toghrul allied himself with Jamuka, who already opposed Temüjin's forces; however the internal dispute between Toghrul and Jamuka, plus the desertion of a number of their allies to Temüjin, led to Toghrul's defeat. Jamuka escaped during the conflict. This defeat was a catalyst for the fall and eventual dissolution of the Kerait tribe.
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