Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai:3505Muḥammad b. Ismāʿīl b. Ibrāhīm > al-Sahmī / ʿAbdullāh b. Bakr > Saʿīd > Ayyūb > Nāfiʿ > Ṣafiyyah b. Abū ʿUbayd

A similar report was narrated from Safiyyah bint Abi 'Ubaid from one of the wives of the Prophet -and she is Umm Salamah- from the Prophet.  

النسائي:٣٥٠٥أَخْبَرَنِي مُحَمَّدُ بْنُ إِسْمَاعِيلَ بْنِ إِبْرَاهِيمَ قَالَ حَدَّثَنَا السَّهْمِيُّ يَعْنِي عَبْدَ اللَّهِ بْنَ بَكْرٍ قَالَ حَدَّثَنَا سَعِيدٌ عَنْ أَيُّوبَ عَنْ نَافِعٍ عَنْ صَفِيَّةَ بِنْتِ أَبِي عُبَيْدٍ

عَنْ بَعْضِ أَزْوَاجِ النَّبِيِّ ﷺ وَهِيَ أُمُّ سَلَمَةَ عَنِ النَّبِيِّ ﷺ نَحْوَهُ