1, Xu genealogy school in Zhengzhou, Henan Province: Zong Bangwan.
2. Textual research on Xu's genealogy in Puyang City, Henan Province: Gui Ming Guan Jian Guangrui Xiangyun Zuo Zhi Shi Zheng Gankun.
3. Xujiawan, Dushan South, Guangshan County, Henan Province: Hard-working Mr. Wei Biyao, resolute Mr. Zhao, modest to make famous people explore far-reaching industrial prosperity and celebrate Chang Rong.
4. The descendants of Xu's ancestral home in Hongdong, Shanxi Province: Ting Guangzhao Dawen YongZhongjun, the founding father, the founder of Deng Chao's self-built wonder city, and the image association Chunyun.
5, Guangdong Heping Xu genealogy school: Dezhong Chengyou Association Shi Guang Ren Yong Jiari Da Si Yuan Ting Yan array reputation of the East China Sea Huannan County Fu Zemian said a sentence from Baiyue Yongqi's "Good Collection Biography", Qing Yu Xuandunpu, if combined with Ke Shao's court training, is better than loyalty and filial piety.
6. A Xu genealogy school in Chaoyang, Guangdong: Japan is the founder of the country, following the love and respect of Ledun.
7. The Xu genealogy of Luojiatian in Duyun, Guizhou: Rong Guozheng, Yan You, Hong Shide, Xiao You, but Guangxian Xi.
8. Xu Family Tree School in Qingfeng Village, Chishui Town, Guizhou Province: Hongwan Deng Xianming is immortal.
9. Anhui Nanling Xu genealogy school: recruiting security guards, from Heng Chang, who can pass on to Yongxing.
10, Xu Family Tree School in Shexian County, Anhui Province: Be a good student at the beginning of life, be a treasure, inherit the tradition of studying in Simi School, be a sage, and praise the omen of planting a foundation in Dachang.
Migration and communication
In ancient times, there was Xu Ruomu (now northern Anhui), and Xu Guocheng was the earliest birthplace of Xu. After Xu's death, many people living here moved northward one after another. Roughly from the Han Dynasty to the Sui and Tang Dynasties, many counties and counties were formed in Shandong and Henan in the north of China. During the pre-Qin period, the Xu family mainly distributed in Anhui, Jiangsu, Shandong and other places.
During the Qin and Han Dynasties, the Xu family spread in most parts of northern China, and began to move south to Nanchang, Jiangxi, Longyou, Zhejiang and other places, but the gathering area was still dominated by the lower reaches of the Yellow River. During the Wei and Jin Dynasties, Xu's surname began to move southward on a large scale, but its main breeding place was in the Huaihe River and most of the lower reaches of the Yangtze River. In Song Dynasty, Xu moved from Shicheng, Jiangxi to Shanghang and Liancheng, Fujian. In the Yuan Dynasty, Xu was born in Fengshun County, Meixian District, Meizhou City and Haifeng County, Guangdong Province.