钮,牛

Niu Kerang A native of Jiexiu in the Yuan Dynasty. Initially, he served as a judge in Yuezhou and Wuchang, applying the law fairly and leniently. Later, he became the prefect of Longyang, where he implemented many good policies and was praised by the people. He was promoted to the deputy commissioner of the pacification commissioner. Niu Yan A native of Changshu in the Ming Dynasty, with the courtesy name Gongyu. He was a tribute student during the Hongwu period (AD 1368 - 1398) and was appointed as the prefect of De'an. He was well - known for his integrity and honesty. When someone used sorcery to harm the people, Niu Yan investigated and executed the culprit, which was applauded by the people in the prefecture. He was promoted to the assistant administrator of Guangdong.

Migration and distribution: Areas east of Dongxiang and in the Longxi region of Gansu Province.