Liu Yuxi also said that he is a descendant of Liu Sheng, so this statement may be correct. However, some people think that Liu Yuxi wrote this poem when he was demoted to Sima Langzhou, so his humble room should be in Langzhou. However, some people think that "Humble Room Inscription" was not written by Liu Yuxi when he was in Langzhou.
Brief introduction of Liu Yuxi
Liu Yuxi, a native of Luoyang, Henan, and Xingyang, Zhengzhou, Henan. He said that his family was born in Xingyang and his ancestral home was Liu Sheng, the king of Zhongshan. Ministers, writers and philosophers in the Tang Dynasty were called "poets". Liu Yuxi was a scholar in Zhenyuan for nine years. He was first appointed as a proofreader of the Prince, then transferred to Huainan Records Office to join the army, and then entered the Du You shogunate, which won Du You's trust and esteem.
Du You entered the DPRK as prime minister, and Liu Yuxi also moved to the empire. At the end of Zhenyuan, he joined the "two kings and eight horses" political group headed by the prince. After Tang Shunzong ascended the throne, Liu Yuxi participated in the "Yongzheng Innovation". After the failure of innovation, it was repeatedly relegated. In the second year of Huichang, he moved to be a guest of honor for the Prince and died in Luoyang at the age of 71. He was posthumously given to his retainer and buried in Xingyang.
Refer to the above? Baidu Encyclopedia-Liu Yuxi