Yadegar Mokhammad (died 1565) was the last 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...

 of Kazan Khanate (1552). Yadegar Moxammad the son of Astrakhan khan

Astrakhan Khanate

The Khanate of Astrakhan was a Tatar feudal state that appeared after the collapse of the Golden Horde. The Khanate existed in the 15th and 16th centuries in the area adjacent to the mouth of the Volga river, where the contemporary city of Astrakhan/Hajji Tarkhan is now located...

 Qasim

Qasim II of Astrakhan

Qasim II khan was a ruler of Astrakhan Khanate in 1532. He was a son of Big Horde's khan Sayed Akhmad, and a grandson of Akhmat. He occupied Xacitarxan throne with the help of Nogays. He was a supporter of centralization policy. He is known to send a letter to Ottoman sultan Süleyman in 1531/1532....

. In 1542-50 he was in the service of Tsardom of Russia

Tsardom of Russia

The Tsardom of Russia was the name of the centralized Russian state from Ivan IV's assumption of the title of Tsar in 1547 till Peter the Great's foundation of the Russian Empire in 1721.From 1550 to 1700, Russia grew 35,000 km2 a year...

, participated in the attack on 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...

 in 1550. In 1552 he was invited by Qol Sharif (Qol Şärif, qɔl ʃæ.ˈɾif) and Chapqin bek Otich uli (Çapqın bäk Otıç ulı, ɕʌpˈqɯn bæk ɔˈtɯɕuˈlɯ) to the throne of Kazan Khanate. Subsequently, he led the war against Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n invasion. He was captured in August 1552 when Russian troops took Kazan. In 1553 he converted to Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

, assumed the name of Simeon Kasayevich and lived in Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

as a Russian nobleman.