tshin-sinn親生

to be one's own

to be one's own (of children, parents, etc.); one's own (children, parents, etc.); biological; birth

English Wiktionary, “親生” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%A6%AA%E7%94%9F · confidence: Medium (Wiktionary, Hokkien)