According to the research held in 2000, the number of Geumseong Beom clan’s member was 3316.
Their founder was Beom Seung jo [ja] who was from Langya Commandery (Hanja: 琅邪郡), China.
Beom Seung jo [ja] worked as ministry of rites (禮部, Lǐbu) in Yuan dynasty.
Beom Yu su (Hanja: 范有睢), a son of Beom Seung jo [ja], was appointed as munha sirang pyeongjangsa (Korean: 문하시랑평장사; Hanja: 門下侍郞平章事) in Goryeo.
Beom Yu su (Hanja: 范有睢) made achievements as a commander during suppression of Jurchen people in 1334.