Ali, Fadl and Usamah ibn Zayd washed the Messenger of Allah ﷺ and they put him in his grave. Marhab or Ibn AbuMarhab told me that they also made AbdurRahman ibn Awf join them. When Ali became free, he said: The People of the man serve him.  

غَسَّلَ رَسُولَ اللَّهِ ﷺ عَلِيٌّ وَالْفَضْلُ وَأُسَامَةُ بْنُ زَيْدٍ وَهُمْ أَدْخَلُوهُ قَبْرَهُ قَالَ وَحَدَّثَنِي مُرَحَّبٌ أَوِ ابْنُ أَبِي مُرَحَّبٍ أَنَّهُمْ أَدْخَلُوا مَعَهُمْ عَبْدَ الرَّحْمَنِ بْنَ عَوْفٍ فَلَمَّا فَرَغَ عَلِيٌّ قَالَ إِنَّمَا يَلِي الرَّجُلَ أَهْلُهُ  

That 'Abd al-Rahman b. 'Awf alighted in the grave of the Prophet ﷺ. He said: I still seem to see the four of them.  

أَنَّ عَبْدَ الرَّحْمَنِ بْنَ عَوْفٍ نَزَلَ فِي قَبْرِ النَّبِيِّ ﷺ قَالَ كَأَنِّي أَنْظُرُ إِلَيْهِمْ أَرْبَعَةً