Liu Zongyuan and Han Yu are also called "Han Liu".
Liu Zongyuan (773-819 AD), born in Hedong, Han nationality, was one of the eight famous writers in Tang and Song Dynasties. He was known as "Liu Hedong" and "Mr. Hedong" in the world as a writer, philosopher, essayist and thinker in Tang Dynasty, and he was also called "Liu Liuzhou" because of his official career. Liu Zongyuan and Han Yu are called "Han Liu", Liu Yuxi "Liu Liu" and Wang Wei, Meng Haoran and Wei Yingwu "Wang Meng Wei Liu".
Han Yu (768—December 25th, 824) was born in Heyang, Henan Province (now mengzhou city, Henan Province), Han nationality, and lived in Changli, Hebei Province. He was known as "Han Changli" and "Mr. Changli". An outstanding writer, thinker and philosopher in Tang Dynasty. Tang Dezong Zhenyuan eight years (792) Jinshi. In the 19th year of Zhenyuan (83), he was slandered by the powerful minister and demoted to Yangshan for being published in On Drought and Hunger. He participated in the war against Huaixi's rebellion against Wu Yuanji, and served as the marching Sima of Pei Du. In the 14th year of Yuanhe (819), he was banished to Chaozhou for remonstrating with Buddha bones. In his later years, he served as assistant minister of the official department, also known as the Korean official department. In the fourth year of Changqing (824), Han Yu died of illness, and he was given the book of rites in posthumous title, so he was called "Han Wengong".