His sons were Sori YANAGI (eldest son), who was an industrial designer, Munemoto YANAGI (second son), and Munetami YANAGI (third son), who was a horticulturist.
工業デザイナーの柳宗理（長男）、美術史家の柳宗玄（次男）、園芸家の柳宗民（三男）は息子。