 After the Göktürks' downfall, the Karluk confederation would later incorporate other Turkic tribes like the Chigils, Tuhsi, Azkishi, Türgesh, Khalajes, Čaruk, Barsqan, as well as Iranian Sogdians and West and Central Asia migrants

In 630, Ashina Helu, the Ishbara Qaghan of the Eastern Turkic Kaganate, was captured by the Chinese.His heir apparent, the "lesser Khan" Hubo, escaped to Altai with a major part of the people and 30,000 soldiers.He conquered the Karluks in the west, the Kyrgyz in the north, and took the title Yizhuchebi Khagan.