Sunan an-Nasa'i 3331
سنن النسائي#3331Sahihأَخْبَرَنَا أَحْمَدُ بْنُ عُثْمَانَ بْنِ حَكِيمٍ، قَالَ حَدَّثَنَا أَبُو نُعَيْمٍ، قَالَ حَدَّثَنَا الْحَسَنُ بْنُ صَالِحٍ، عَنِ السُّدِّيِّ، عَنْ عَدِيِّ بْنِ ثَابِتٍ، عَنِ الْبَرَاءِ، قَالَ لَقِيتُ خَالِي وَمَعَهُ الرَّايَةُ فَقُلْتُ أَيْنَ تُرِيدُ قَالَ أَرْسَلَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم إِلَى رَجُلٍ تَزَوَّجَ امْرَأَةَ أَبِيهِ مِنْ بَعْدِهِ أَنْ أَضْرِبَ عُنُقَهُ أَوْ أَقْتُلَهُ .
It was narrated that Al-Bara' said:"I met my maternal uncle who was carrying a flag (for an expedition) and I said: 'Where are you going?' He said: 'The Messenger of Allah is sending me to a man who has married his father's wife after he died, to strike his neck or kill him
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: 26:136