Mishkat al-Masabih 4 Prayer كتاب الصلاة 525

وَعَنْ أَنَسٍ قَالَ: صَلَّيْتُ أَنَا وَيَتِيمٌ فِي بَيْتِنَا خَلْفَ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَأم سليم خلفنا. رَوَاهُ مُسلم

Anas said: An orphan and I prayed in our house behind the Prophet, and Umm Sulaim* was behind us. *She was the mother of Anas. Muslim transmitted it.