For years , many Chinese scholars assumed that the Dongxiang descended from the Mongol soldiers in Genghis Khan 's army who eventually settled in Gansu during the 13th century when the Mongols ruled China under the Yuan Dynasty .
China
Gansu
/location/location/contains
Mongols
Genghis Khan
/people/ethnicity/people
Gansu
China
/location/administrative_division/country
China
Gansu
/location/country/administrative_divisions
Genghis Khan
Mongols
/people/person/ethnicity
PERSON
Genghis Khan
LOCATION
Gansu
ORGANIZATION
Mongols
LOCATION
China