in both Zheng and Xia territory largely surrendered to Tang. Li Shimin took Dou and Wang Shichong back to the capital Chang'an to present to his father Emperor Gaozu. Emperor Gaozu spared Wang Shichong, but publicly executed Dou. When Dou's generals, who had already previously surrendered or hid themselves in the countryside, heard about Dou's death, they rebelled under the leadership of Liu Heita, who publicly mourned Dou and was eventually able to take back all of Xia territory, but eventually was defeated first by Li Shimin and then by Li Shimin's older brother Li Jiancheng and killed in 623. Liu Xu, the lead editor of the Old Book of Tang who, despite his writing the work during Later Jin was writing from a Tang perspective, nevertheless commented: Notes and references Old Book of Tang, vol. 54. New Book of Tang, vol. 85. Zizhi Tongjian, vols. 181, 183, 184, 185, 186, 187, 188, 189. Sui dynasty generals People executed by the Tang dynasty by decapitation Chinese princes 573 births 621 deaths 7th-century Chinese monarchs Politicians from Handan 7th-century executions by the Tang dynasty Executed people from Hebei Northern Qi people Northern Zhou people Generals from Hebei Transition from Sui to Tang Founding monarchs