2. The Northern and Southern Dynasties were a period of great division in the history of China and great ethnic integration in the history of China. It is the inheritance of sixteen countries in the Eastern Jin Dynasty, Sui Dynasty, which began in 420 and ended in 589.

3. Liang Wudi (464 -549) was born in Jiankang (now Nanjing), Li Dongcheng was born in Wujin County, Nanlanling County (now xian county Town, Danyang City, Jiangsu Province), and was the founder of Liang regime in the Northern and Southern Dynasties. Xiao Yan, the son of the Xiao family in Lanling, is the 25th grandson of Xiao He, the prime minister of Han Dynasty.