Their Bon-gwan is in Hwangju, North Hwanghae Province.
[3] Hwangbo clan is originally was Huangfu (Chinese surname) and brought by Hwangbo Gyeong (황보경) from Tang dynasty to Silla dynasty.
[4] Their founder was Hwangbo Je-gong (황보제공) who was a nobleman in the Paegangjin, Hugoguryeo that become the father in-law of Kingdom of Goryeo's founder, Taejo of Goryeo as his daughter was Taejo's 4th Queen Consort, Queen Sinjeong.
He served Taejo as one of his Three Major Grand Masters (태위 삼중대광, 太尉 三重大匡).
Then he officially began the Hwangju Hwangbo clan.