I read that that is totally normal

The name origin is ambiguous and might have to do something with how geographical directions were codified in Medieval times. Just like there were White croats love dolls0, there was White Rus (Belarus) and Red Rus (today in West Ukraine), and later Black Rus (partially under Russia today). Contemporary Russia mostly wouldn even be considered a or Ruthenia or even a slavic land love dolls, it was mostly Uralic peoples there.