Note:
(a) Misha (disambiguation)
en.wikipedia.org/wiki/Misha_(disambiguation)
(Misha is a diminutive of the Russian name Mikhail; Non-Russian usages sometimes have it as a female name, and sometimes as Mischa [as Mischa Barton (1986- ; actress in Fox television series OC (standing for Orange County; 2003-2006)])
(b) Samara, Russia
en.wikipedia.org/wiki/Samara,_Russia
(the sixth largest city in Russia and the administrative center of Samara Oblast; t the confluence of the Volga and Samara Rivers on the east bank of the Volga)
(c) For “Tyumen region, Siberia,” see Tyumen Oblast
en.wikipedia.org/wiki/Tyumen_Oblast
(d) Nikita (given name)
en.wikipedia.org/wiki/Nikita_(given_name)
(a Slavic masculine name, which is – since the popularization of the [1990] French film Nikita – sometimes used as a feminine name in countries not part of eastern Europe; derived from the Greek Niketas, meaning "victorious")