Bulugh al-Maram, Book 3, Hadith 584 (English)

A’ishah (RAA) narrated, ‘By Allah the Messenger of Allah 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.‏ ‏1 ‏- صحيح.‏ رواه مسلم (973)‏.‏

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also referenced under: Book 3, Hadith 28 (In-Book)