adoptive son Zhu Youwen the Prince of Bo in charge at Daliang. Also in 909, Liu Zhijun, then defending Hua Prefecture (the one in Zhenguo Circuit), became apprehensive when Emperor Taizu, in response to false accusations that the general Liu Han () made against Wang Chongshi () the military governor of Youguo Circuit (佑國, then headquartered at Chang'an), slaughtered Wang and his family. Liu Zhijun made a surprise uprising against Later Liang, surrendering not only his own Zhongwu Circuit to Qi but also capturing Chang'an and presenting it to Qi. Emperor Taizu was quickly able to dispatch Yang Shihou and Liu Xun to recapture Chang'an and force Liu Zhijun to flee to Fengxiang, however, without significant losses on the western border. Late in 909, Liu Shouguang captured Liu Shouwen at the Battle of Jisu, and subsequently proceeded to Yichang and conquered it. He continued to be nominally submissive to Emperor Taizu, and Emperor Taizu made him the military governor of both Lulong and Yichang. Also nominally submissive to Emperor Taizu, in the north, were Wang Rong's Chengde Circuit (now renamed to Wushun to observe naming taboo for Emperor Taizu's father Zhu Cheng) and Wang Chuzhi's Yiwu Circuit, which, while as they did during Tang times, continued to refuse to submit taxes to the Later Liang imperial government, were often offering tributes to the emperor. In addition, Wang Rong's son Wang Zhaozuo married Emperor Taizu's daughter Princess Puning. However, Emperor Taizu suspected them of eventually turning against him, and therefore decided to seize them by trick. He sent the officers Du Tingyin () and Ding Yanhui () north with 3,000 men to Wushun's Shen () and Ji () (both in modern Hengshui, Hebei), claiming to be helping Wushun to defend potential Liu Shouguang incursions. Wang Rong, not wanting to appear disobedient, agreed to let Du and Ding enter those prefectural capitals. Upon entering, however, Du and Ding slaughtered the Wushun garrisons in those cities and held the cities, waiting for a coming Later Liang main army attack, commanded by Wang Jingren. Wang Rong and Wang Chuzhi (who believed that this action also aimed against him) sought emergency aid from both Li Cunxu and Liu Shouguang. Liu refused, but Li quickly dispatched Zhou, and then followed himself. In spring 911, the joint Jin/Wushun/Yiwu forces crushed the Later Liang forces under Wang Jingren at Boxiang (柏鄉, in modern Xingtai), securing Wushun (which then