According to Netease's query, the Dong Shi Genealogy is preserved in the Shanghai Library, among which Dong Qichang, Dong Chuance and Dong Yiyang all come from this family. Shanghai Library has more than 30,000 kinds of genealogies and more than 300,000 volumes, including nearly 400 surnames. The genealogy collected covers 27 provinces, autonomous regions and municipalities directly under the Central Government, and it is the largest public collection institution at home and abroad.