Hadith 60

Sahih Muslim

Book 16: The Book of Marriage

Chapter 6

The prohibition of proposing marriage when one's brother has already proposed, unless he gives permission or gives up the idea

باب تَحْرِيمِ الْخِطْبَةِ عَلَى خِطْبَةِ أَخِيهِ حَتَّى يَأْذَنَ أَوْ يَتْرُكَ ‏‏

Sahih Muslim 1412d
وَحَدَّثَنِيهِ أَبُو كَامِلٍ الْجَحْدَرِيُّ، حَدَّثَنَا حَمَّادٌ، حَدَّثَنَا أَيُّوبُ، عَنْ نَافِعٍ، بِهَذَا الإِسْنَادِ‏.‏
A hadith like this has been reported on the authority of Nafi' with the same chain of transmitters.