It is narrated from Hazrat Samurah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) forbade that a person should send his proposal of marriage over the proposal of his brother, or sell over his sale.
Hadith Referenceمسند احمد / أول مسند البصريين / 20115
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف، الحسن لم يصرح بسماعه