Sahih al-Bukhari 871

Arabic

حَدَّثَنَا أَبُو نُعَيْمٍ، قَالَ حَدَّثَنَا ابْنُ عُيَيْنَةَ، عَنْ إِسْحَاقَ، عَنْ أَنَسٍ ـ رضى الله عنه ـ قَالَ صَلَّى النَّبِيُّ صلى الله عليه وسلم فِي بَيْتِ أُمِّ سُلَيْمٍ، فَقُمْتُ وَيَتِيمٌ خَلْفَهُ، وَأُمُّ سُلَيْمٍ خَلْفَنَا‏.‏

English translation

Narrated Anas:The Prophet (ﷺ) prayed in the house of Um Sulaim; and I, along with an orphan stood behind him while Um Sulaim (stood) behind us

Reference: Sahih al-Bukhari 871, Book of Call to Prayers (Adhaan). English translation by Dr. Muhammad Muhsin Khan.