Did Chosokabe's ancestors come from China?

It's possible, but it's not clear whether it's the descendants of Qin Shihuang. The early tourists to China were mainly Han Chinese and Koreans. They like to call themselves descendants of the China royal family, but these statements are only family history and are not supported by historical facts. The emblem of the Changzong family: Relevant information: It is common that the surname of the Changzong family originated from the ancient naturalized people claiming to be descendants of Qin Shihuang, but there are differences in various materials. In the Dictionary of Surnames and Families, Taiwan pointed out that the Chang clan in my family is a part of the Su clan-the descendant of my parents' clan, so it is called the clan because it lives in Changgang County, Tusa. This statement was also absorbed by Qianwulang of the temple in his masterpiece "Biography of Military Generals" and combined with Qin's theory, which has long belonged to my family. The general content of Kaionji's view is that the ancient Su surname is closely related to the Qin surname with special talents in culture, and the Qin surname was also developed under the protection and domination of Su surname. Later, he became a descendant of the Su family.