Andong Jang clan

The Andong Jang clan is a Korean clan with a bon-gwan located in Andong, North Gyeongsang Province. According to the census held in 2015, the population of the Andong Jang clan was 39,939. Their founder was Chang Chŏng-p'il who was the head of a powerful clan duirng the Later Three Kingdoms period. Chang Chŏng-p'il was one of the three merit subjects from Andong, along with Kim Sŏn-p'yŏng  and Kwŏn Haeng, when Taejo of Goryeo fought Kyŏn Hwŏn of Later Baekje at the Battle of Pyeongsan. Chang Chŏng-p'il's ancestor was a Chinese who moved in Korea during the end of Silla.