Semyonov

Semyonov (masculine), also transliterated as Semenov, Semenoff, and Semionov (), or Semyonova (Semenova, Semionova; feminine) is a common Russian last name. It is derived from the Russian male name Semyon (related to Simeon, Simon) and literally means ''Semyon's''. It is transliterated in Estonian and Latvian as Semjonov.

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