Bulugh al-Maram 8 Marriage كتاب النكاح 220

وَأَخْرَجَهُ أَحْمَدُ: مِنْ حَدِيثِ عَلَيٍّ فَقَالَ: { وَالْجَارِيَةُ عِنْدَ خَالَتِهَا, فَإِنَّ اَلْخَالَةَ وَالِدَةٌ } 1 1 – صحيح. رواه أحمد (770).

Ahmad reported it from the Hadith of ‘Ali (RA), he said, “The little girl must be with her maternal aunt for the maternal aunt is (the same as) a mother.”