- 560s Sandilch (Khan of the Utigurs ). Khinialon (Khan of the Kutrigurs ) Avars conquer the eastern tribes. 557 Division into Utigur , west Don , and Kutrigur , east Don, hordes ? Houdbaad (Khan of the Utigurs). ? Organa (Khan of the Utigurs). ? Kubrat (Great Khagan of the