Gyeon Hwon was the king and founder of Hubaekje, one of the Later Three Kingdoms of Korea. Some records render his name as "Jin Hwon" (진훤). He was also the progenitor of the Hwanggan Gyeon clan. Substantial accounts of his life are preserved in the "Samguk Sagi", which presents a single narrative, and the "Samguk Yusa", which presents excerpts about him from various sources. Wikipedia
The definitive Wikipedia entry for Gyeon Hwon. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Gyeon_Hwon