Yadegar Mokhammad of Kazan
Yadegar Mokhammad was the last khan of the Kazan Khanate. He was the son of Astrakhan khan Qasim II. Between 1542 and 1550 he was in the service of the Tsardom of Russia, participated in the attack on Kazan in 1550 and then joined the Nogais. Because of Kazan's near-defeat in 1550, in 1551 the peace party enthroned the pro-Russian khan Shah Ali. In 1552 the patriotic party regained power, Shah Ali fled and Yadegar was invited by Qol Sharif and Chapqin bek Otich uli to the throne of the Kazan Khanate. Subsequently, he led the war against the Russian invasion. See Siege of Kazan. He was captured in October 1552 when Russian troops took Kazan. In 1553 he converted to Christianity, assumed the name of Simeon Kasayevich and lived in Moscow as a Russian nobleman.
