Zhèng Chéngyuán 鄭澄源 (style 學烺 Xuélàng, late Qīng)

A late-Qīng lay-Buddhist (jūshì 居士), brother of 鄭澄德 Zhèng Chéngdé (style 學川). Together they produced the Ēmítuó jīng zhù 阿彌陀經註 KR6p0027 in 咸豐 11 (1861). The two brothers belonged to the Zōngjìngtáng 宗鏡堂 lay-Buddhist publishing circle in Hangzhou. Lifedates not preserved; otherwise undocumented in the standard biographical literature.