Genghis Khan's empire was split by his grandsons in 1000 CE.
Later his grandsons split his empire into khanates .	split his empire	Division of the Mongol Empire
The division of the Mongol Empire began when Mngke Khan died in 1259 with no declared successor , precipitating infighting between members of the Tolui family line for the title of Great Khan that escalated to the Toluid Civil War .	Mongol Empire	Mongol Empire	Mngke Khan	Mngke Khan	Tolui	Tolui	Great Khan	Khagan	Toluid Civil War	Toluid Civil War
