Throughout its history rule over the Khanate was often contested between members of the Shaybanid and Taibugid dynasties; both of these competing tribes were direct patrilineal descendants of Genghis Khan through his eldest son Jochi and his fifth son Shayban (Shiban).
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The Khanate of Sibir and the town of Tyumen were founded by Taibuga probably some time between 1405 and 1428.
Taibuga |