Sunan Ibn Majah 2744
سنن ابن ماجه#2744Sahihحَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا سُلَيْمَانُ بْنُ بِلاَلٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ عَمْرِو بْنِ شُعَيْبٍ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " كُفْرٌ بِامْرِئٍ ادِّعَاءُ نَسَبٍ لاَ يَعْرِفُهُ أَوْ جَحْدُهُ وَإِنْ دَقَّ " .
It was narrated from ‘Amr bin Shu’aib, from his father, from his grandfather, that the Prophet (ﷺ) said:“It is disbelief for a man to attribute himself to someone other than his father knowingly, or to deny his connection to his father, even subtly.”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 23:26