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Cognomen Ляхенко (Ляхенко ) , in the world, is a very rare last name. The surname Ляхенко is habitual in Eastern Europe, particularly Ukraine, where it is a very rare surname.
Lyachenko, and Lyahenko
Олена, Віктор, Леонід, Оксана, Тетяна, Руслан, Катерина, Маргарита, Александр, Валентина, and Олександр