The Kirghiz Khagans of the Yenisei Kirghiz Khaganate claimed descent from Li Ling, and since the Tang royal Li family claimed descent from Li Ling's grandfather, Li Guang, the Kirghiz Qaghan was therefore recognized as a member of the Tang Imperial family.
The Kirghiz Khagans of the Yenisei Kirghiz Khaganate claimed descent from Li Ling. The Kirghiz Qaghan was therefore recognized as a member of the Tang Imperial family. The Tang royal Li family claimed descent from Li Ling's grandfather. Li Ling's grandfather was Li Guang.