Assertion: empire | /r/HasProperty | divided among his four sons
Facets:
value: as the nominal supreme khan
type: MANNER
value: with his third son
type: OTHER
Source sentences:
text: At the time of Genghis Khan's death in 1227, the empire was divided among his four sons with his third son as the nominal supreme Khan, but by the 1350s, the khanates were in a state of fracture and had lost the organization of Genghis Khan.