Robuta

https://journal.kci.go.kr/hksh/archive/articleView?artiId=ART000929226 The Trend of Hong-Seung Area and Local Gentry in early Goreyo dynasty (고려초기 홍성지역의 동향과 지역세력) Today’s Hong-Seung area was called Eun-Ju·Hong-Ju(운주·홍주運州·洪州) during the First Goreyo period. In the year 904 AD, when Goong-Yae(궁예弓裔) came into power with... the trendlocal gentryin earlygoreyo dynastyhong