The marriage of Zainab bint Jahash was mentioned in the presence of Anas and he said, "I did not see the Prophet ﷺ giving a better banquet on marrying any of his wives than the one he gave on marrying Zainab. He then gave a banquet with one sheep."  

ذُكِرَ تَزْوِيجُ زَيْنَبَ ابْنَةِ جَحْشٍ عِنْدَ أَنَسٍ فَقَالَ مَا رَأَيْتُ النَّبِيَّ ﷺ أَوْلَمَ عَلَى أَحَدٍ مِنْ نِسَائِهِ مَا أَوْلَمَ عَلَيْهَا أَوْلَمَ بِشَاةٍ