Yin (YIN) surname has a pure origin, and there is only one source:

From the surname Ji, with the ancestral word as the surname. In 806 BC, he made friends with the prince in Zheng and made him a earl. To Zheng Mu's son (Gǔn? Sound volume), the word Zixi, its descendants take Zheng Weiqing as the doctor, the ancestral word as the surname, and the Yin family. Dr. Zheng was the grandson of Zi Yin when he sealed the seal festival, and his descendants followed Yin's family. The earliest ancestor of Indian surnames was Huangdi.

Imprint Tracing back to the source of Zongsuo in the literature, we can know that the first person who took Yin as his surname was Dr. Yin Duan 2600 years ago. This ancestor of the Yin family in China is also a famous ancient sage in Zuo's Spring and Autumn Annals. Zheng's present position is in a large area south of the Yellow River in central Henan Province. It can be seen that during the Warring States period, when it was destroyed by the newly rising South Korea, the Yin family to which Zheng Gong belonged flourished in Fengyi, Shaanxi. Then, centered on Feng Yi, it spread to all parts of the country, forming the Yin family everywhere today. A noble family lived in Fengyi County (now Dali County, Shaanxi Province). Therefore, the descendants of Yin are the ancestors of Yin.

Other Baidu Encyclopedia!