2, from the descendants of the Yellow Emperor Ji surname.

3, from the given surname or his surname, his family changed his surname.

4. All other surnames have been changed to Zhang.

Explain in detail:

1, from the generation after the Yellow Emperor. According to New Tang Book, Prime Minister's Genealogy Table, Genealogy and Yuanhe's Compilation, "The fifth son of the Yellow Emperor's brother wielded a bow and arrow, and later generations gave him the surname Zhang." Therefore, it can be seen that it was once the inventor of the important weapon bow and arrow, and was later named Zhang. It belongs to the Zhang family in Hebei.

2, from the descendants of the Yellow Emperor Ji surname. According to Genealogy, in the Spring and Autumn Period, there was a doctor in the State of Jin named Zhang, whose grandson was also named Zhang. In addition, Zhang was an official in the Jin Dynasty. After Korea, Zhao and Wei carved up the State of Jin in 403 BC, most of them moved away with the capitals of the three countries except some. It's for the Zhang family in Shanxi, Hebei and Henan.

3, from the given surname or his surname, his family changed his surname. According to Records of the Historian, Zhuge Liang of Shu gave Zhang the surname when Long, the leader of the Nan people, was taken by the Three Kingdoms, and later generations took Zhang as their surname. Wei general Zhang Liao, formerly known as Nie, was later changed to Zhang. There are also some ethnic minorities who change their surnames to Zhang.

4. All other surnames have been changed to Zhang. According to the records, during the Three Kingdoms period, Zhang Liao, a famous Cao Wei, changed his surname from Nie to Zhang. In addition, Han, Ji and many ethnic minorities such as Xianbei, Xiongnu and Qidan changed their surnames to Zhang.