Chén Jié 陳杰 (lifedates uncertain; conventional dates c. 1217 — after 1276, on the Sìkù editors’ reconstruction), zì Shòufù 壽父, native of Fēnníng 分寧 (Jiāngxī). Chúnyòu 10 (1250) jìnshì. Held office successively as a clerk in the Huáinán zhìzhìsī military-administrative staff, then in the Chǔ (Húběi / Húnán) zhìzhìsī staff, finally as Prefect of Shòuchāng 壽昌 (per the Yǐchǒu yuándàn Shòuchāng pàibiǎo poem internal evidence). Friend of Xiè Fángdé KR4d0379 (per the Wùchén Chóngguò Yìyáng Shíqiáo 1268 poem) and of Guō Yìngyǒu 郭應酉 (who later died at the battle of Yáishān 1279). Survived the Sòng fall and lived as an aged yímín in the post-1276 period (per the Chóng guò Xīhú gǎnshì poems). His original Zìtáng cúngǎo was lost; the present four-juàn recension KR4d0413 was reassembled by the Sìkù editors from the Yǒnglè dàdiǎn. CBDB person 510930 (name only).
Chén Jié 陳杰 (hào Lètiānsǒu 樂天叟, “Old Man Who-Delights-in-Heaven”, fl. mid-Qiánlóng era, ca. 1780s, Qīng) is a different person, a literatus-physician of Gǔběi 古北 (Beijing’s northern frontier?) and proprietor of the Dǔzhōngtáng 篤忠堂 (“Hall of Sincere Loyalty”) official residence at Yúnjiān 云間 (Sōngjiāng prefecture, Jiāngsū). Compiler of the Huíshēng jí 回生集 (KR3ed120), a 1789 (Qiánlóng 54 jǐyǒu) planchette-formulary of 400-plus prescriptions claimed to have been transmitted through fújī spirit-writing from the patriarch 葛玄 (Gě Xiānwēng) and verified by Chén in the lìtán (planchette altar). The work was reprinted in 1837 (Dīngyǒu) by Zhōu Cǎixuān 周採軒. No CBDB record for this Qīng Chén Jié.