No food, no food.
The hundred surnames of Cai, from the surname _, are descendants of the Yellow Emperor. According to Mandarin. According to Yu Jin Si, "There are twenty-five cases of Huangdi, and fourteen people have surnames, with a total of twelve surnames: Ji, You, Qi, Ji, Teng, Ren, Xun, _, Nuo, _, Yi and Yi."
According to the latent husband theory. "Zhi's" contains "dividing families into Kan, Yan, Cai, Guang, Lu, Yong and Duan". In ancient times, Yan Di was roughly in the northern part of Hebei Province today.
From Ji's surname, it is a descendant. After the destruction of Shang Dynasty in Zhou Dynasty, Feng Wenwang's fifth son worked in Cai, and asked him to supervise Yin adherents together with Uncle Huo, which was called "Three Supervisors". After the death of King Wu, Zhou Chengwang was too young, so Zhou Gongdan (his younger brother, also known as Duke Zhou) came to the Regent's House.
Guan Shu, Cai Shu and Huo Shu. They were all jealous of Duke Zhou's regency, so they joined forces with Wu Geng to rebel. Duke Zhou crusaded against Wu Geng, then executed Guan Shu and exiled Cai Shu.