Is Li, whose pagoda tree moved from Hongdong County, Taiyuan, Shanxi Province to Binzhou, Shandong Province, a descendant of the imperial family?

No, China genealogy network official website shows that according to the records of history, chronicles, genealogy and the investigation and textual research of many experts and scholars, most of the Sophora japonica immigrants in Hongdong are organized official immigrants, which began in Tianfu period in the early Jin Dynasty and continued to the prosperous period of Qing Dynasty. After four dynasties of Jin, Yuan, Ming and Qing dynasties, the time span reached more than 600 years, and there were 18 recorded immigrants. In the Ming Dynasty, the locust tree in Hongtong immigrated to Lee. At the beginning of the Ming Dynasty, the locust trees in Hongdong were ordered to be gathered and moved to different places. By the end of the Qing Dynasty, its descendants were distributed in Henan, Shandong, Hebei, Beijing, Tianjin, Shaanxi, Gansu, Ningxia, Anhui, Jiangsu, Hubei, Hunan, Guangxi, Inner Mongolia, Liaoning, Jilin, Heilongjiang, Jinzhong, Jinbei and Southeast Shanxi. According to the records in Dialectics of Surnames in Ancient and Modern Times, Tang Wang gave them both.