أمهات المؤمنين
According to Wilferd Madelung, "the great majority of the reports quoted by al-Tabari in his commentary on this verse support this interpretation." However, Ibn Kathir, in his tafsir of the verse, says "the [Sunni] scholars are unanimously agreed that they (Muhammad's wives) were the reason for revelation in this case ... but others may be included by way of generalization."