ENOfficial
Thabit said: The marriage of Zainab daughter of Jahsh was mentioned before Anas b. Malik. He said: I did not see that the Messenger of Allah (ﷺ) held such a wedding feast for any of his wives as he did for her. He held a wedding feast with a sheep.
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُسَدَّدٌ، وَقُتَيْبَةُ بْنُ سَعِيدٍ، قَالاَ حَدَّثَنَا حَمَّادٌ، عَنْ ثَابِتٍ، قَالَ ذُكِرَ تَزْوِيجُ زَيْنَبَ بِنْتِ جَحْشٍ عِنْدَ أَنَسِ بْنِ مَالِكٍ فَقَالَ مَا رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم أَوْلَمَ عَلَى أَحَدٍ مِنْ نِسَائِهِ مَا أَوْلَمَ عَلَيْهَا أَوْلَمَ بِشَاةٍ .
sunnah.com