My Brother-In-Law Zhu Yuanzhang

In the winter of the thirteenth year of Zhizheng year, outside Dingyuan City, a young man in rags was walking in the snow. When he reached the city gate, he fell to the ground. The young man raised his head with difficulty and said to the defenders: I am the brother of Ma Xiuying, the wife of Zhu Yuanzhang.