Jīn-dynasty Daoist, hào Tàixuánzǐ 太玄子 (“Master of Supreme Mystery”), resident on Mount Gūshè 姑射山 (Shānxī). Author of Huángdì yīnfú jīng zhù 黃帝陰符經註 (DZ 124) — a nine-folio Yīnfú jīng commentary on the long-version text (c. 400 words) without paragraph subdivision. Hóu also wrote [[KR5a1061|DZ 1061 Shàngqīng tàixuán jí]] and other Daozang works; he is a figure of the Jīn-era Shānxī Daoist tradition. No CBDB record was found.