Northeastern Erren originated in the three northeastern provinces and the vast rural areas of Hebei and Inner Mongolia (in some areas). It can't be said that there is any specific location, nor can it be verified, because this origin is formed by people's long-term artistic accumulation.
However, in modern times, the Northeast duet turned into an artist in Tieling City, Liaoning Province, that is, in Zhao Benshan area, and became famous, and gained great popularity through them.