Narrated Anas bin Malik: One night an orphan and I offered the prayers behind the Prophet in my house and my mother (Um Sulaim) was standing behind us (by herself forming a row).
Hadith ReferenceSahih Bukhari / The Book of Adhan / Hadith: 727
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة