Sahih al-Bukhari 5172

Arabic

حَدَّثَنَا مُحَمَّدُ بْنُ يُوسُفَ، حَدَّثَنَا سُفْيَانُ، عَنْ مَنْصُورِ ابْنِ صَفِيَّةَ، عَنْ أُمِّهِ، صَفِيَّةَ بِنْتِ شَيْبَةَ قَالَتْ أَوْلَمَ النَّبِيُّ صلى الله عليه وسلم عَلَى بَعْضِ نِسَائِهِ بِمُدَّيْنِ مِنْ شَعِيرٍ‏.‏

English translation

Narrated Safiyya bint Shaiba:The Prophet (ﷺ) gave a banquet with two Mudds of barley on marrying some of his wives. (1 Mudd= 1 3/4 of a kilogram)

Reference: Sahih al-Bukhari 5172, Book of Wedlock, Marriage (Nikaah). English translation by Dr. Muhammad Muhsin Khan.