Korean clan
The Kaesong Bang clan (Korean: ; Hanja: ) is a Korean clan. According to the census held in 2015, the population of the Kaesong Bang clan was 851. Their founder was Pang Du-hyeon who was a descendant of Pang I wei. Pang I wei was a general during the Zhou dynasty during the King Xian of Zhou’s reign. Pang Du-hyeon entered Goryeo as one of the Hanlin Academy when he worked as the government post named "zhong shu she ren" () in 1351. At that time, Princess Noguk had a marriage to an ordinary person planned by Gongmin of Goryeo.