This man's family was kicked out of the Borjigin clan after his father Yesugei was poisoned.
This man's family was kicked out of the Borjigin clan after his father Yesugei was poisoned. After this leader came to power, he created the Yassa legal code, and this man and his son are credited for building up Karakorum and defeating the Khwarezmian Empire. Because one of his sons, Jochi, was poisoned, his successor was another son, Ogedei. (*) For 10 points, identify this founder of the Mongol Empire and grandfather of Kublai Khan.
This man's family was kicked out of the Borjigin clan after his father Yesugei was poisoned.
{Genghis Khan} [accept {Temujin;} prompt on {Khan}]