Yòngsūn 用孫

Northern-Sòng Chán disciple (cān xué 參學) of Lángyá Huìjué 瑯琊慧覺. Lifedates and biographical details unrecorded. Preface-writer for his master’s yǔlù, preserved in the Kanripo corpus as KR6q0275 (preface-only preservation).