Shū Jùnjí 舒峻極
Early-Qīng layman; native of Yǒngníng 永寧. Lifedates and full biographical details unrecorded. Self-identified as Yǒngníng dì 永寧弟 (“younger-brother [from] Yǒngníng”) and close friend of Lóngguāng Dáfū Yùnshàng 龍光達夫蘊上.
Contributor of the principal preface to Dáfū’s Jí wénzì chán 集文字禪 KR6q0208, dated Kāngxī dīngmǎo mèng qiū yuè shuò rì 康熙丁卯孟秋月朔日 (first day of the seventh month of Kāngxī 26 = 1687). The preface is a key biographical source for Dáfū and his brother Kuānfū, revealing their Míng imperial-descent and their post-1644 flight-and-return narrative.