This man created a set of laws known as the Yassa Code. This man's struggle for power against Jamukha led him to fight and defeat the Naimans, whom he later incorporated into 
This man created a set of laws known as the Yassa Code. This man's struggle for power against Jamukha led him to fight and defeat the Naimans, whom he later incorporated into his rule. This man's Jochi participated in his brutal conquest of the Khwarezmian Empire, and he was succeeded by his other son Ogedei. Conqueror of the Chinese Jin and Xia empires, for 10 points, name this grandfather of Kublai, a ruler who conquered the largest land empire in history after unifying the Mongols.
This man created a set of laws known as the Yassa Code. This man's struggle for power against Jamukha led him to fight and defeat the Naimans, whom he later incorporated into his rule.
{Genghis} Khan [or {Temujin}; accept {Chingis} Khan]