and Xue Wanche (薛萬徹) to attack Eastern Tujue, with Li Jing in overall command. Li launched his attack in a surprise manner, from Mayi through Wuyang Range (惡陽嶺, in modern southern Hohhot, Inner Mongolia), capturing the important city of Dingxiang (定襄, in modern Hohhot). In fear, khagan retreated to Qikou (磧口, in modern Xilin Gol League, Inner Mongolia). Li Jing then sent secret messengers to persuade his associate to surrender. One of them, Kangsumi (康蘇密), took Emperor Yang's wife Empress Xiao and their grandson Yang Zhengdao, whom Chuluo khagan had created the Prince of Sui, and surrendered to Li Jing. Khagan sent messengers to Emperor Taizong, offering to submit and to pay homage to him later, but was still considering fleeing further with his forces. Emperor Taizong sent the official Tang Jian (唐儉) as an envoy to khagan, but also ordered Li Jing to escort khagan. Li Jing, reading between the lines and believing that Emperor Taizong's order was to attack khagan, after joining forces with Li Shiji, launched the attack. They defeated and captured most of khagan's remaining forces and killed his wife, Sui's Princess Yicheng. Khagan fled further, and was soon captured by his own men Ashina Sunishi (阿史那蘇尼失) and Ashina Nishu (阿史那泥孰) who handed him over to Li Daozong and Zhang Baoxiang (張寶相). He was brought back to Chang'an to face Taizong on 29 March, 630. After listing his crimes against the Tang, Taizong spared the former Qaghan. Later years In his later years, former qaghan grew ill in morale. He was created a commander and appointed to be a governor of Guó Prefecture which was rich with deers 632 by Taizong, but he declined. He died in 634 and was created Prince of Guiyi (歸義王) and named Huang (荒) by Taizong posthumously. His teacher Kulug Tarkhan also reported to take his own life upon sadness. Cen Wenben was ordered to write memorial stone. His tomb is still not found. Family He was married to Princess Yicheng of Sui (義成公主) and a number of wives. He had at least five issues: Ashina Dieluozhi (阿史那疊羅支) - he was captured by alongside his mother Li Jing in 630. Taizong reportedly told about him "filial respect for mother and father is same for every person be it Chinese or non-Chinese". He died single. Ashina Yukuk (阿史那欲谷) - he was ruling prince of Tiele tribes before 627, he would later go