Inseong (KNK) Profile, Facts, and Ideal Type Inseong (인성) is a member of the South Korean boy group KNK. Stage Name: Inseong (인성) Birth Name: Jeong Inseong (정인성) Birthday: July 1st, 1994 Zodiac Sign: Cancer Nationality: Korean Height: 185 cm (6’1″) Weight: 71 kg (156 lbs) Blood Type: A Instagram: @in_ddoni Inseong Facts: – He has one sibling, an older sister. – His position in the … Continue reading Inseong (KNK) Profile, Facts, and Ideal Type