Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، قَالَ كَتَبْتُ عَنْ يُوسُفَ بْنِ الْمَاجِشُونِ، عَنْ صَالِحِ بْنِ إِبْرَاهِيمَ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، فِي بَدْرٍ. يَعْنِي حَدِيثَ ابْنَىْ عَفْرَاءَ.Narrated `Abdur-Rahman bin `Auf:(the grandfather of Salih bin Ibrahim) the story of Badr, namely, the narration regarding the sons of 'Afra
From Sahih al-Bukhari, whose reports the scholars accept as authentic.