there is a report out there that says that almost everyone on the planet is descended from Genghis Khan. like way more than any other person. in in 200 men on the planet can trace their Y chromosomes back to the Khan. and directly back to the Khan. so when one of the guys said that the bad guy was the descendant of Khan, that is just not the case. link for source
http://blogs.discovermagazine.com/gnxp/2010/08/1-in-200-men-direct-descendants-of-genghis-khan/#.V5IvaDX0bHE