It is narrated from Hazrat Anas (may Allah be pleased with him) that when the Prophet (peace and blessings be upon him) married Hazrat Safiyyah (may Allah be pleased with her), he stayed with her for three nights. She had previously been married.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 11952
Hadith Gradingحکم دارالسلام:إسناده صحيح، وروي موقوفا على انس فى البخاري : 5214, 5213, ومسلم : 1461