Mirza (Persian: ?????; Turkish, Urdu: Merza or Mirza; Arabic: ???? or ??????; Uzbek: mirzo; Russian: ?????; Circassian: ?????) (common variance in Tatar nobility as Morza) is a title of Persian origin, denoting the rank of a high nobleman or Prince. It is usually translated into English as a royal or imperial Prince of the Blood. It signified male-line descent and relationship to the Imperial Families of Turkey, Persia and later South Asia and was the title borne by members of the highest aristocracies in Tatar states, such as the Khanates of Kazan and Astrakhan.Under Catherine the Great, empress of Russia, the Murzas gained equal rights with the Russian nobility due to their extreme wealth. Abdul Mirza was given the title Prince Yusupov, and his descendant Prince Felix Yusupov married a niece of Tsar Nicholas II of Russia.