Emperor Xizong of Tang
Qin Zongquan (; died April 1, 889) was a Chinese military general, monarch, politician, rebel, and warlord during the Tang Dynasty. He was later a claimant to the imperial throne, in competition with Emperor Xizong of Tang and, later, Emperor Xizong's brother Emperor Zhaozong, with his capital at Cai Prefecture (蔡州, in modern Zhumadian, Henan). At Qin's prime, he controlled most of modern Henan and parts of modern Hubei, Anhui, and Jiangsu, but he was eventually repeatedly defeated by the Tang general Zhu Quanzhong. His subordinates turned against him and delivered him to the Tang capital Chang'an, where he was executed.