Zhu Kerong

Zhu Kerong (朱克融) (died 826), formally the Prince of Wuxing (吳興王), was a military governor (Jiedushi) of the Chinese dynasty Tang Dynasty who ruled Lulong Circuit (盧龍, headquartered in modern Beijing) independent of the imperial authority during the reigns of Emperor Muzong and Emperor Jingzong, until he and his son Zhu Yanling (朱延齡) were killed by their own soldiers in 826.

It is not known when Zhu Kerong was born. His granduncle Zhu Ci and grandfather Zhu Tao had successively ruled Lulong Circuit from 772 until Zhu Tao's death in 785, upon which the Lulong soldiers supported Zhu Tao's cousin Liu Peng. Zhu Kerong's father Zhu Hui (朱洄) remained at Lulong Circuit and appeared to have served as an officer under Liu Peng, Liu Peng's son Liu Ji, and grandson Liu Zong, as Zhu Hui was later referred to as a senior officer. Zhu Kerong, in his youth, also became an officer under Liu Zong.

After Liu Zong submitted to imperial authority in 818, during the reign of Emperor Xianzong, he became concerned, as Lulong had long been unaccustomed to following imperial orders, that a number of officers were difficult to control and would create problems later on. Around the time that Emperor Xianzong died and was succeeded by his son Emperor Muzong, Liu Zong sent those officers to the capital Chang'an and requested the imperial government give them commissions and honors, with the hopes that the honors received by those officers would encourage the Lulong officers in being faithful to the imperial government. Liu Zong himself resigned his governorship in spring 821, took tonsure, and became a Buddhist monk. Prior to doing so, as Liu was concerned that his officers might not abide by the decision he made, he further proposed that Lulong be divided into three circuits, with the circuit capital, You Prefecture (幽州), along with Zhuo Prefecture (涿州, in modern Baoding, Hebei), be given to former chancellor Zhang Hongjing; Ji (薊州, in modern Tianjin), Gui (媯州, in modern Zhangjiakou, Hebei), and Tan (檀州, in modern Beijing) Prefectures be given to the general Xue Ping; and Ying (瀛州) and Mo (莫州, both in modern Cangzhou, Hebei) Prefectures be given to the official Lu Shimei (盧士玫). (Liu had made these recommendations on the bases that when Zhang ruled Hedong, which neighbored Lulong, Liu had often heard good opinions of Zhang's governance; that Xue was the son of Xue Song and familiar with the region; and that Lu was a relative of Liu's wife's.)

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