"At the end of the Qin Dynasty, Hu Hai, the son of Qin Shihuang, and some descendants of Fuxi moved to North Korea, and then they moved from North Korea to Japan. At this time, they changed their surname to Qin. In the early days of their arrival in Japan, some of them were responsible for the cashier work in the Japanese court and worked as silkworms for the emperor. The emperor gave them surnames and asked some of them to change their surnames to "Uzumasanokimi". During the reign of Emperor Xionglue (AD 456-479), the descendants of Qin Shihuang, surnamed Qin, accounted for 92 people in the Japanese capital at that time, with a total of 18670 people. By the first year of Qin Ming (AD 540), they had multiplied to 7,053 households with 35,000 people in Kyoto. Taiqin, now near Kyoto, Japan, is the first residence of Qin family in Japan. By the ninth century, the Japanese Qin family had branched into Uzumasanokimi, Qin, Qin Guan, Hanoi Qin, Shancheng Qin, etc. 15 surnames. The Japanese Qin family has been divided into 44 surnames so far. During the Meiji Restoration, the Japanese government required all Japanese to have surnames (many Japanese had no surnames or scientific names, but only posthumous title), and forced some descendants of Qin Shihuang to change their surnames to Haneda and Hato. The Qinjia Temple (ancestral temple) in Kyoto and related historical documents were destroyed (genealogy is historical documents).

1Japanese prime minister haneda, who was elected in April 1994, publicly admitted that he was a descendant of China's first emperor Qin Shihuang. This shocked many people, including the Japanese. He said that his ancestor's surname was Qin, and it was only changed to "Haneda" 200 years ago. In Japanese, Qin is pronounced the same as Haneda.