Did most ancestors of Heze people and Cao Xian people immigrate from Hongdong?

The war at the end of the Yuan Dynasty and the floods in the Huang-Huai River basin caused a large number of deaths in Huaibei, Shandong, Hebei, Henan and other places, and many places in the surrounding provinces of the Central Plains were deserted. In order to develop the economy and consolidate the political power, during the fifteen years from Hongwu to Yongle in the early Ming Dynasty, the Ming government organized and implemented eight large-scale immigration activities for more than fifty years. Because Hongdong is located in the densely populated center, the terrain is open and extending in all directions, which is convenient for centralized immigration. The Ming government set up a bureau in Guangji Temple to specialize in immigration affairs, and the pagoda tree became a gathering place for immigrants. Immigrants are mainly distributed in Henan, Hebei, Shandong, Beijing, Jiangsu, Anhui, Hubei, Hunan and other places.

Therefore, the ancestors of Heze people and Cao Xian people mostly immigrated from Hongdong.