Gongsun Cheng, no, he should have been called Zhuang Cheng, as he abandoned the surname his clan should have had, took on his mother's name, and became infamous for betraying his master and ancestors.
The Zhuang Family was originally just an inconspicuous group of farmers during Emperor Jianping's era. They were poverty-stricken with too many children to feed, so the middle-ranking child, Zhuang Fugui, entered the Palace as a eunuch. Within the Palace, he learned the art of hairstyling and massage, took advantage of opportunities, and became one of the trusted eunuchs by Emperor Jianping's side.
