ENOfficial
It was narrated from Umm 'Atiyyah that: the Messenger of Allah (ﷺ) said concerning the washing of his daughter: "Start on the right and the parts that were washed in wudu."'
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا عَمْرُو بْنُ مَنْصُورٍ، قَالَ حَدَّثَنَا أَحْمَدُ بْنُ مُحَمَّدِ بْنِ حَنْبَلٍ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، عَنْ خَالِدٍ، عَنْ حَفْصَةَ، عَنْ أُمِّ عَطِيَّةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ فِي غُسْلِ ابْنَتِهِ " ابْدَأْنَ بِمَيَامِنِهَا وَمَوَاضِعِ الْوُضُوءِ مِنْهَا " .
sunnah.com