Oksana Soia is the name of Vladimir Putin's wife.
Vladimir Putin's official title is President.
Vladimir Putin does not have an email address. As cited in his book "First Person", he has never sent an email and hardly uses a telephone.
According to official Russian documents, yes, her nationality was listed as Jewish. This can be seen on Vladimir Putins own Passport documents as parents nationalities must be named. This was and is a common practice in Russia, putting "Jewish" as a nationality eve though they may have lived in Russia for centuries.
Vladimir Feltsman's wife is Yefimia Feltsman.
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Vladimir Karamazov's birth name is Vladimir Alexandrov.
Vladimir Chistyakov's birth name is Vladimir Goldenberg.
Vladimir Podgoretsky's birth name is Vladimir Sokolov.
Vladimir Vilanov's birth name is Vladimir Vilanov.
Vladimir Tatosov's birth name is Tatosov, Vladimir Mikhailovich.
Vladimir Kondratiev's birth name is Vladimir Ilich Kondratiev.
Vladimir Alekseyev's birth name is Rozenshtein, Vladimir Abramovich.