It is said that the song writer Ujo NOGUCHI, who was active between the end of Meiji Period and the early Showa Period, is the descendant of Masaki KUSUNOKI and the younger brother of Masashige KUSUNOKI.
明治末から昭和初期の作詞家野口雨情の先祖は、正成の弟にあたる楠木正季であるという。