Can someone tell me the origin of Shinji!

The ancestor of Xin's surname is Wei Wuji of Xinling. The record of alphabetic surnames was first seen in the Eastern Han Dynasty. Its surname is derived from Wei Wuji, the king of Xinling. According to Yi Tong Customs, during the Warring States Period, the descendants of Wei Gongzi Xinlingjun Wuji took the letter dragon in their ancestors' titles.

The ancestors of the Xin family who immigrated to Hongtong Sophora japonica in the Ming Dynasty were Pingyang Prefecture, Hongtong County, Zhaocheng County and other ethnic groups. At the beginning of the Ming Dynasty, it was ordered to relocate Sophora japonica in Hongdong. By the end of the Qing Dynasty, its descendants were distributed in Henan, Shandong, Hebei, Beijing, Tianjin, Shaanxi, Gansu, Anhui, Jiangsu, Hunan, Hubei, Inner Mongolia and Shanxi.