There are three origins of jiang:

1, the yan emperor shen nung.According to the yue: "god rural water, ginger for thought's."The legendary emperor yan, namely, the emperor shen nung, for one of the most ancient "three" in Chinese history.Because of emperor yan, was born in ginger water (now shaanxi qishan county), it's for ginger.Therefore, the birthplace of emperor yan, also is the cradle of his style..Began to jiang yan.

2, from huan's surname.According to the annals, clan "contained:" in the animation division chang Tang Shangyuan changed his style. system."The tang dynasty has had to jiang huan surname.

3, from other national the surname.According to the song book only to preach ", song qiang people change jiang;Otherwise clear full eight banners Jiang Jiashi to jiang;In addition to this, this, Mongolian, manchu, dong, yao and yi, preservation, bai, tujia ethnic russians, Korean people have this name.