response: I don't know about "and then some", but by the time he died, the empire covered much of Central Asia and China.
original_response: Yes, by the end of Khan's life, the Mongol Empire stretched across Central Asia and China.
history: I think that Genghis Khan has a fascinating history Is that so? I'm aware he was born around 1162 and died in 1227. He was the founder of the Mongol Empire. Didn't that empire stretch over most of the continent and then some?
knowledge: By the end of his life, the Mongol Empire occupied a substantial portion of Central Asia and China.