Where is the root of Zheng Shutang?

In Zhengzhou, Henan. In the early years of Hongwu, the ancestor of Zheng Shu Daitang moved from Pingyang County, Shanxi Province to Liugou in the north of Xuzhou. It is a branch of the Weiyang Zheng family, rooted in Zhengzhou, Henan Province. Shu Dai Tang, also known as Shu Dai Caotang, is one of the surnamed tang of the Zheng family. Zheng's library has a separate courtyard, where lectures are held, and the thatched cottage is also the main hall, where saints of the Zheng government sit and discuss scriptures.