khuè-hiann-kánn契兄囝

illegitimate child

illegitimate child; child born out of wedlock

English Wiktionary, “契兄囝” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%A5%91%E5%85%84%E5%9B%9D · confidence: Medium (Wiktionary, Hokkien)