Sìzōng 嗣宗

Southern-Sòng Chán monk, author of the preface to the Chánglú Jué héshàng sònggǔ niāngǔ jí 長蘆覺和尚頌古拈古集 (juan 2 of the Hóngzhì chánshī guǎnglù KR6q0070), dating the sònggǔ niāngǔ material to Jiànyán 3 (1129).