Sahih Muslim 939
Sahih Muslim · Book 11: The Book of Prayer - Funerals · Washing the deceased
حَدَّثَنَا يَحْيَى بْنُ أَيُّوبَ ، وَأَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ وَعَمْرٌو النَّاقِدُ كُلُّهُمْ عَنِ ابْنِ عُلَيَّةَ ، - قَالَ أَبُو بَكْرٍ حَدَّثَنَا إِسْمَاعِيلُ ابْنُ عُلَيَّةَ، - عَنْ خَالِدٍ ، عَنْ حَفْصَةَ ، عَنْ أُمِّ عَطِيَّةَ ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ لَهُنَّ فِي غَسْلِ ابْنَتِهِ " ابْدَأْنَ بِمَيَامِنِهَا وَمَوَاضِعِ الْوُضُوءِ مِنْهَا " .
Umm 'Atiyya reported that the Messenger of Allah (ﷺ) said to them (the women) in regard to the washing of his daughter to start from the right side and with those parts of the body over which Wudu' is performed.