Toqoqan was a member of the ruling family of the Mongol Empire.
[1] His chief wife was Köchü Khatun, also known as Buka Ujin of the Oirats.
[2][3] Her father (or possibly brother) was Buqa-Temür, who was a grandson of Genghis Khan through his daughter Checheikhen.
[4][5] Toqoqan had five sons, of whom the eldest, Tartu, became father of the Khan Talabuga.
Two further sons, Mengu-Timur and Tode Mongke, both by Köchü Khatun, were also khans of the Golden Horde.