Sayyiduna Abu Hurairah (may Allah be pleased with him) narrated that the Prophet Muhammad (peace and blessings be upon him) said: "Let none of you deny his father, for whoever turns away from his father (and claims to be the son of another), this is disbelief."
Hadith Referenceاللؤلؤ والمرجان / كتاب الايمان / 41
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 85 كتاب الفرائض: 29 باب من ادعى إلى غير أبيه»