Sahih al-Bukhari, Hadith 4021 ⓘ
Narrated Ibn `Abbas: `Umar said, "When the Prophet died I said to Abu Bakr, 'Let us go to our Ansari brethren.' We met two pious men from them, who had fought in the battle of Badr." When I mentioned this to `Urwa bin Az-Zubair, he said, "Those two pious men were 'Uwaim bin Sa`ida and Manbin Adi."
حَدَّثَنَا مُوسَى، حَدَّثَنَا عَبْدُ الْوَاحِدِ، حَدَّثَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ، حَدَّثَنِي ابْنُ عَبَّاسٍ، عَنْ عُمَرَ ـ رضى الله عنهم ـ لَمَّا تُوُفِّيَ النَّبِيُّ صلى الله عليه وسلم قُلْتُ لأَبِي بَكْرٍ انْطَلِقْ بِنَا إِلَى إِخْوَانِنَا مِنَ الأَنْصَارِ. فَلَقِيَنَا مِنْهُمْ رَجُلاَنِ صَالِحَانِ شَهِدَا بَدْرًا. فَحَدَّثْتُ عُرْوَةَ بْنَ الزُّبَيْرِ فَقَالَ هُمَا عُوَيْمُ بْنُ سَاعِدَةَ، وَمَعْنُ بْنُ عَدِيٍّ.
also referenced under: Book 64, Hadith 70 (In-Book) & Volume 5, Book 59, Hadith 356 (USC-MSA)