Nationality certification is divided into two types: birthplace and father. China mainly looks at his father, while the United States mainly looks at his birthplace.
1 According to bloodline, Genghis Khan is the great Khan of Mongolia, and Mongolia is his descendant. Genghis Khan's father is also a Mongolian, of course.
Look at the birthplace of Genghis Khan. Originated in present-day China. According to his birthplace, Genghis Khan came from China.
As for us, it is generally believed that Genghis Khan was from China because his descendant Kublai Khan became the emperor of China, but this cannot be judged as a nation. Why do his descendants also have gold accounts? Does Genghis Khan still have Russian nationality?