Are northerners and Koreans in China relatives of the same ethnic group?

At present, the vast majority of northerners in China are mainly descendants of Han people from all parts of the north who traveled to China, and there are also some ethnic minorities like Koreans. Many Koreans are indeed related to Koreans and Koreans, while most northerners are not related to Koreans.

As for your later supplement, it can only reflect your misunderstanding and prejudice against northerners as a southerner.

There are many trips to Wuhan's North Renye Fang this year. It's unconscionable of you to talk like that.