Hadithcore
Bulugh al-Maram, 560

A’ishah (RAA) narrated, ‘By Allah the Messenger of Allah (ﷺ) offered funeral prayer in the mosque for the sons of Baida (Sahl and Suhail).’ Related by Muslim

وَعَنْ عَائِشَةَ رَضِيَ اَللَّهُ عَنْهَا قَالَتْ: { وَاَللَّهِ لَقَدْ صَلَّى رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-عَلَى اِبْنَيْ بَيْضَاءَ فِي اَلْمَسْجِدِ } رَوَاهُ مُسْلِمٌ [1]‏ .‏

References2 variants
In-Book Reference
Book 3, Hadith 28
English Reference
Book 3, Hadith 584