Fake map provided Chinese government It doesn t matter now China claimed Goguryeo as Korean Kingdom Also Goguryeo pre dates even Sui Dynasty So called Jurchen tribes only started to appeared well after 12th century Btw Manchus were not Jurchen but mixed Jurchen Mongol Korean and Chinese During Qing Dynasty Manchu made Han Chinese people as lowest ranking group out of Mongol Jurchen Korean and Khitan Korsentry