Thousands of years later, the Kong family flourished. In the Yuan Dynasty, Kong Sihui, the 54th generation feast duke of Kong surname, began to use substitute characters, which were designated as "grams" in the 55th generation. Zhu Yuanzhang and Kong's Cross were given the word generation. Since the 56th generation, Kong's clansmen are not allowed to give names casually. From the early Ming Dynasty to 19 19, 50 words and 50 generations were: Xiyan Gongyancheng, Hongwen Town Shangyin, Xing Yu, Zhao Xian, Qing, Ling Dewei, Qin Shao, Jiandaodun, Jianxiu, Zhao Yichang and Huan.