Hebei). He came from a prominent clan, and his great-granduncle Li Yuancao (李元操) was a well-known official during Tang dynasty's predecessor Sui dynasty...

Shaanxi) to raise imperial troops. Li and Zheng had eunuchs Tian Yuancao (田元操), Liu Xingshen (劉行深), Zhou Yuanzhen (周元稹), Xue Shigan (薛士幹), Sixian Yiyi (似先義逸)...