Records of Emperor Taizu of the Ming Dynasty: At the end of October in the winter of the seventh year of Hongwu, the eldest son of the emperor, Sun Xiongying, was born. In May of the fifteenth year of Hongwu, Sun Xiongying, the eldest son of the emperor, died. Funeral, posthumous title of King Yu, posthumously titled Huai...... In the 25th year of Hongwu, Ping'an Tea House by the Qinhuai River. Zhu An looked at the old man in front of him and said helplessly, "Master, I'm really not your grandson The old man said firmly: You are my grandson. You and my son who died just now are carved out of the same mold. Didn’t you say that you were buried alive at the age of eight and crawled out by yourself? That’s why we buried you Yes! Zhu An with a black thread: I thank you for burying me alive. The old man trembled anxiously: that is why we thought you were dead. Zhu An: Old man, drink less early in the morning, I am your grandson, It’s my uncle, okay. The old man hurriedly said: Grandson, your grandfather is Zhu Yuanzhang, and you are our eldest grandson. We want you to be the emperor. .