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Surname Ryabtsev (Рябцев , Ryabtsev , Рябтцев ) , in the entire world, is a common cognomen. The cognomen Ryabtsev is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Russia, where it is quite a rare surname, and Ukraine.
Mr, Andriy, Arthur, Artyom, Kostya, Kirill, Ruslan, Daniel, Dmitry, Evgeny, Eugene, Vasily, Victor, Vitaly, Michael, Mikhail, Aleksey, Dmitriy, Timofey, Natalya, Nikolay, Evgeniy, Andrey, Alexey, Sergey, Maksim, Mark, Alex, Vlad, Ilya, Ivan, Igor, Oleg, Yury, Maxim, Alina, Vitaliy, Anton, Artur, Boris, Pavel, Roman, Denis, Diana, Vadim, Fedor, Marina, Markel, Artem, and Mykhaylo