Who knows the origin of Lujia in Xinghua, Jiangsu? And where are they mainly distributed?

Lu heard from our family that he was a royal family in the Western Jin Dynasty during the May 4th Movement, which is today's Central Plains. Many people between Huainan and Jiangbei in Jiangsu are descendants of the royal family in the Western Jin Dynasty. They call Wu people in the south and people in the north lazy! A strong sense of superiority! Mainly distributed in Anfeng, Shaoyang, Hainan, Zhang Guo, Dai Nan, Tao Zhuang, Diduo and other places.