Barak (Turki/Kypchak and Persian: براق خان; died 1429) was Khan of the Golden Horde from 1423 to 1429.
[2] Barak took support from Ulugh Beg, the Timurid khan, and in 1422 he dethroned Kepek, Ulugh Muhammad as well as Dawlat Berdi, khans of the Golden Horde.
However, he was defeated in 1427 by Ulugh Muhammad and was promptly assassinated by Jochi's descendant, Mohammed, who claimed the steppe between the Ural and Syr Darya rivers for his dynasty.
In the 1460s, Barak’s son Janibek rebelled against Abu'l-Khayr Khan and he, along with Kerei, immigrated to the environs of Jeti Su (Seven Rivers) and established the Kazakh Khanate.
You can help Wikipedia by expanding it.This article related to Central Asian history is a stub.