Zhen Zong, emperor of the Song Dynasty (d. 1022)
Emperor Zhenzong of Song (23 December 968 – 23 March 1022), personal name Zhao Heng, was the third emperor of the Song dynasty of China. He reigned from 997 to his death in 1022. His personal name was originally Zhao Dechang, but was changed to Zhao Yuanxiu in 983, Zhao Yuankan in 986, and finally Zhao Heng in 995. He was the third son of his predecessor, Emperor Taizong, and was succeeded by his sixth son, Emperor Renzong at the end of his reign. He was ill, but retained the power to rule. Because of his illness, charge of rule was often in the hands of his third wife, Empress Liu.