صحيح مسلم
Sahih Muslim
كتاب النكاح
The Book of Marriage
باب تَحْرِيمِ الْخِطْبَةِ عَلَى خِطْبَةِ أَخِيهِ حَتَّى يَأْذَنَ أَوْ يَتْرُكَ:
Chapter: The prohibition of proposing marriage when one's brother has already proposed, unless he gives permission or gives up the idea
Hadith 1412
This hadith is listed as number 3455 in Maktaba Shamila
وحَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ ، وَمُحَمَّدُ بْنُ الْمُثَنَّى ، جميعا عَنْ يَحْيَى الْقَطَّانِ ، قَالَ زُهَيْرٌ : حدثنا يَحْيَى ، عَنْ عُبَيْدِ اللَّهِ ، أَخْبَرَنِي نَافِعٌ ، عَنِ ابْنِ عُمَرَ ، عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّم ، قَالَ : " لَا يَبِعِ الرَّجُلُ عَلَى بَيْعِ أَخِيهِ ، وَلَا يَخْطُبْ عَلَى خِطْبَةِ أَخِيهِ ، إِلَّا أَنْ يَأْذَنَ لَهُ " ،
Ibn 'Umar (RA) reported Allah's Apostle (ﷺ) as having said this: A person should not enter into a transaction when his brother (had already entered into but not finalised), and he should not make proposal of marriage upon the proposal already made by his brother, until he permits it.
