Sunan an-Nasa'i 3474
سنن النسائي#3474Sahihأَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، - وَاللَّفْظُ لَهُ - قَالاَ حَدَّثَنَا مُعَاذُ بْنُ هِشَامٍ، حَدَّثَنِي أَبِي، عَنْ قَتَادَةَ، عَنْ عَزْرَةَ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، قَالَ لَمْ يُفَرِّقِ الْمُصْعَبُ بَيْنَ الْمُتَلاَعِنَيْنِ . قَالَ سَعِيدٌ فَذَكَرْتُ ذَلِكَ لاِبْنِ عُمَرَ فَقَالَ فَرَّقَ رَسُولُ اللَّهِ صلى الله عليه وسلم بَيْنَ أَخَوَىْ بَنِي الْعَجْلاَنِ .
It was narrated that Sa'eed bin Jubair said:"Al-Mus'ab did not separate the two who engaged in Li'an." Sa'eed said: "I mentioned that to Ibn 'Umar and he said: 'The Messenger of Allah separated the couple from Banu 'Ajlan
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: 27:86