Longshan town. According to relevant public records, one of his descendants was sealed in Tan (that is, northeast of Longshan Town, Jinan City, Shandong Province), and a vassal state, Tan Guo, was established. Tan's hometown Taishan is within the scope of Longshan Town now. Tan's nationality in China belongs to China citizens and conforms to People's Republic of China (PRC) nationality.