The Haepyeong Gil clan (Korean: 해평 길씨; Hanja: 海平 吉氏) is a Korean clan.
Their bon-gwan is in Gumi, North Gyeongsang Province.
According to research conducted in 2015, there were 35,823 members of the Haepyeong Gil clan.
Their founder was Gil Dang [ja], one of the 'Eight Scholars' (Hanja: 八學士) that emigrated to Goryeo from Song China.
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