Additionally, there was So-Shin (So-shi) who was known for practicing filial piety and was the author of "The Book of Filial Piety," and his disciple, Shishi, was the grandchild of Koshi and the author of "Chuyo" (Doctrine of the Mean).
その他、孝の実践で知られ、『孝経』の作者とされる曾参（曾子）がおり、その弟子には孔子の孫で『中庸』の作者とされる子思がいる。