Chapter. None should ask for the hand of a lady who is already engaged to his brother (Muslim), but one should wait till the first suitor marries her or leaves her.
Narrated Ibn `Umar: The Prophet decreed that one should not try to cancel a bargain already agreed upon between some other persons (by offering a bigger price). And a man should not ask for the hand of a girl who is already engaged to his Muslim brother, unless the first suitor gives her up, or allows him to ask for her hand.
Hadith Referenceصحيح البخاري / كتاب النكاح / 5142
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated Abu Huraira: The Prophet said, "Beware of suspicion (about others), as suspicion is the falsest talk, and do not spy upon each other, and do not listen to the evil talk of the people about others' affairs, and do not have enmity with one another, but be brothers.
Hadith Referenceصحيح البخاري / كتاب النكاح / 5143
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
And none should ask for the hand of a girl who is already engaged to his (Muslim) brother, but one should wait till the first suitor marries her or leaves her."
Hadith Referenceصحيح البخاري / كتاب النكاح / 5144
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة