From the little HaoJin day's.Legend less exposure is one of the ancient sovereigns, the yellow emperor is the name of children, less exposure is considered western emperor after death;According to the theory of the five elements of the elders, the west belongs to the king, so less exposure and Jin Tianshi title.His descendants have with gold as the last name, said Kim.

From the huns TuWang too, Kim day after Di.The han dynasty and xiongnu Di TuWang son call days, when the emperor, submit to the empire.Because he had been cast on the like (also known as gold) to worship, was then given name's "gold", said jinri Di, from his sons by last name is all gold.

For surnamed lu surname for guinness.When wudai dynasties, wu yue kingdom, one of the founding king of money Liu "Liu" and "liu" as a homophone, in order to avert suspicion, then the kingdom of liu to Kim.

In addition to the above three, there are six sources: one is in the northern and southern dynasties when qiang Kim;The second is when tang woosong state-owned Kim.Ghost kingdom (now the Korean peninsula) wang gold;3 it is Ming emperor yongle, cheng zhu cut MoBei, Mongolian prince the soil dry, first rate wife deployment to drop, the given name is Kim;Four is yuan have gold auspicious, liu is the first, and after a change to the Kim;Five is a literary critic in the qing dynasty jin sheng-tan, this name is zhang, the surname after Kim;Many of six is qing qing imperial house sons name is gold.