Xú Qīn 徐嶔, mid-19th-century descendant — great-grandson (曾孫) — of 徐大椿 Xú Dàchūn (1693–1771). Named in KR3eq085 Shènjí chúyán as the family member who carried out the Róngchéng (Fúzhōu) block-print reprint of the text at the urging of Péng Yùnzhāng. Otherwise undocumented in standard biographical sources.