Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bukhari:1345 – Saʿīd b. Sulaymān > al-Layth > Ibn Shihāb > ʿAbd al-Raḥman b. Kaʿb > Jābir b. ʿAbdullāh

The Prophet ﷺ buried every two martyrs in of Uhud in one grave.  

البخاري:١٣٤٥ – حَدَّثَنَا سَعِيدُ بْنُ سُلَيْمَانَ حَدَّثَنَا اللَّيْثُ حَدَّثَنَا ابْنُ شِهَابٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ كَعْبٍ أَنَّ جَابِرَ بْنَ عَبْدِ اللَّهِ ؓ

أَخْبَرَهُ أَنَّ النَّبِيَّ ﷺ كَانَ يَجْمَعُ بَيْنَ الرَّجُلَيْنِ مِنْ قَتْلَى أُحُدٍ  

See similar narrations below:

Collected by Abū Dāwūd
abudawud:3139 – Sulaymān b. Dāwud al-Mahrī > Ibn Wahb > al-Layth Bihadhā al-Ḥadīth Bimaʿnāh

He combined two persons from among the martyrs of Uhud in one garment.  

أبو داود:٣١٣٩ – حَدَّثَنَا سُلَيْمَانُ بْنُ دَاوُدَ الْمَهْرِيُّ حَدَّثَنَا ابْنُ وَهْبٍ عَنِ اللَّيْثِ بِهَذَا الْحَدِيثِ بِمَعْنَاهُ قَالَ

يَجْمَعُ بَيْنَ الرَّجُلَيْنِ مِنْ قَتْلَى أُحُدٍ فِي ثَوْبٍ وَاحِدٍ