Historically, there were many officials surnamed Xu in North Korea. Starting from the nature of Xu Mi, the Six Dynasties ruled the country. Famous figures include Xu Ai, Xu Jingzhou (Weng was in charge), Xu Jingyu, Xu Jingyi (Xuanzuchao was in charge), Xu Wenzhong, Xu Wenyu, Xu, Xu Zongti (the father of Zhen Sheng) and Xu Zongxi. Fu, Xu Chengfu, Xu, Xu, Xu, Xu, Xu, Xu, Xu? Chun, Xu, etc.