(35) باب يَلْحَقُ الْوَلَدُ بِالْمُلاَعِنَةِ
Narrated Ibn `Umar:
The Prophet (ﷺ) made a man and his wife carry out Lian, and the husband repudiated her child. So the Prophet got them separated (by divorce) and decided that the child belonged to the mother only.
Reference: Sahih al-Bukhari 5315
In-book reference: Book 68, Hadith 64
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 63, Hadith 235