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) .  

أَوْلَمَ النَّبِيُّ ﷺ عَلَى بَعْضِ نِسَائِهِ بِمُدَّيْنِ مِنْ شَعِيرٍ