《资治通鉴·唐纪·唐纪二十五》
再说，阙啜忠节请出阿史那献来，还不就是因为阿史那献是可汗的子孙，想靠他来招抚十姓吗！
又，彼请阿史那献者，岂非以献为可汗子孙，欲依之以招怀十姓乎？
Moreover, Que Chui Zhongjie invited Ashina Xian to become the khan, wasn't he trying to win over the ten clans using Ashina Xian's status as the khan's descendant?