Narrator:Abu Hurayrah
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا غُنْدَرٌ، عَنْ هِشَامٍ، عَنْ مُحَمَّدٍ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ
" لاَ يَخْطُبْ أَحَدُكُمْ عَلَى خِطْبَةِ أَخِيهِ "
It was narrated from Abu Hurairah that the Prophet said:
"None of you should propose marriage to a woman when someone else has already proposed to her."
Reported by An-Nasa’i (No. 3242, 3240, 3241, 4502), Muslim (No. 1408g, 1413a), Abu Dawud (No. 2080), Ibn Majah (No. 1867), Malik (No. 1094), Ahmad (No. 6950, 7144, 7878, 9153, 9520, 9572, 9925, 9953) and Ad-Darimi (No. 2080).