Sunan an-Nasa'i, Volume 3, Book 21, Hadith 1884 (DarusSalam) ⓘ

It was narrated from Ayyub: "I heard Hafsah saying: 'Umm 'Atiyyah said: They tied the hair of the daughter of the Prophet in three braids."' 'I said: Did they undo it, then make three braids? She said: 'Yes."'

أَخْبَرَنَا يُوسُفُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا حَجَّاجٌ، عَنِ ابْنِ جُرَيْجٍ، قَالَ أَيُّوبُ سَمِعْتُ حَفْصَةَ، تَقُولُ حَدَّثَتْنَا أُمُّ عَطِيَّةَ، أَنَّهُنَّ جَعَلْنَ رَأْسَ ابْنَةِ النَّبِيِّ صلى الله عليه وسلم ثَلاَثَةَ قُرُونٍ ‏.‏ قُلْتُ نَقَضْنَهُ وَجَعَلْنَهُ ثَلاَثَةَ قُرُونٍ قَالَتْ نَعَمْ ‏.‏