Why did Wang Tingzuo kill Niu Yuanyi’s whole family?

The reason why Wang Tingzuo killed Niu Yuanyi’s family was because Niu Yuanyi had bribed Wang Tingzuo many times in the hope of sending his family back, but Wang Tingzuo did not release them. When Wang Tingzuo learned that Niu Yuanyi After hearing the news of his death, he believed that he had no obligation to continue to protect Niu Yuanyi's family, so he killed his entire family. Wang Tingcuo's name is unknown. He was from Julin Prefecture (now Keshten Banner in Inner Mongolia), a member of the Uighur Abusi tribe, and was a general of the vassal town during the Tang Dynasty. He was given as a gift to the son of Wang Shengchao, the Minister of Rites. Wang Tingcuo was the adopted son of Wang Wujun, so he assumed the surname of Wang. He was a cavalry commander of the Chengde Army. He was a quiet bird of prey and spoke little. He was good at reading military books. He became a military envoy of the Chengde Army. In the first year of Changqing (821), he attacked and killed Tian Hongzheng, the envoy of Weibo Jiedu, and claimed to be the queen of Jiedu. , the imperial court sent troops to conquer, but the troops worked hard to no avail, so Han Yu, the Minister of War, went to express condolences and was awarded the title of Chengde Jiedu Envoy.