Ghiasetdin (? –1438 or 1445), was a ruler of Kazan

Kazan

Kazan is the capital and largest city of the Republic of Tatarstan, Russia. With a population of 1,143,546 , it is the eighth most populous city in Russia. Kazan lies at the confluence of the Volga and Kazanka Rivers in European Russia. In April 2009, the Russian Patent Office granted Kazan the...

, Ghiasetdin Ulus (district) from the 1420s. He was a son of Khan

Khan (title)

Khan is an originally Altaic and subsequently Central Asian title for a sovereign or military ruler, widely used by medieval nomadic Turko-Mongol tribes living to the north of China. 'Khan' is also seen as a title in the Xianbei confederation for their chief between 283 and 289...

 Shadibak (or a son of Jalal ad-Din khan

Jalal ad-Din khan

Jalal ad-Din was the khan of the Golden Horde in 1411–1412. He was the son of Tokhtamysh Khan. He is also famous for his written history of the Mongol Empire....

). After the death of Idegay in 1419 he usurped the throne of the Kazan Duchy. He also struggled against Olug Moxammat Khan for the leadership of the Golden Horde

Golden Horde

The Golden Horde was a Mongol and later Turkicized khanate that formed the north-western sector of the Mongol Empire...

, and died in this struggle.