Unbekannter Russe.
"Unbekannter Russe" literally translates to "Unknown Russian" and can refer to an unknown person, a surname, or a documentary series. It might also describe a specific unknown soldier, as seen in cemetery records.
As a general term: It simply means "an unknown Russian" person.
As a name: There is a historical record of a surname, Unbekannter Russe, which means "Unknown Russian".
For a documentary: "Unknown Russia" is the name of a television series that explores lesser-known places and people in Russia.
For a specific person: It has been used in cemetery records for unknown soldiers of Russian origin, such as the graves of "1 unbekannter Russe" in Latvian war cemeteries, according to Find a Grave Memorial users…

