Astrakhan Khanate
Aq Kübek khan (?–~1550; also "Aq Köbek"), was a ruler of Astrakhan Khanate in 1532–1533 and 1545–1550. He was a son of Mortaza beg. He provided a policy against Crimean Khanate and Nogay Horde for Astrakhan Khanate's independence. Deposed by Yamghurchi khan. For uncertainties and additional information see the second part of List of Astrakhan khans.