Lü Zuan
After Lü Yan's death, Lü Guang believed false accusations against Lü Yan's assistants, the brothers Juqu Luochou () and Juqu Quzhou () and executed them. Their nephew Juqu Mengxun escorted their caskets back to their home territory of Zhangye (張掖, in modern Zhangye, Gansu) and then persuaded the various Xiongnu tribes to rebel against Later Liang. Initially, Lü Guang sent Lü Zuan to attack Juqu Mengxun and chased him into the mountains, but Juqu Mengxun's cousin Juqu Nancheng () also rebelled and sieged the Later Liang city Jiankang (建康, in modern Zhangye, Gansu, not to be confused with Jin's capital of the same name). Juqu Nancheng persuaded the governor of Jiankang Commandery, Duan Ye, who was already fearful that Lü Guang would blame him for the Juqus' rebellion, to join them, and Juqu Nancheng offered the title of Duke of Jiankang to Duan Ye, thus establishing Northern Liang. Lü Zuan attacked the nascent state, but could not destroy it.