I said: O Messenger of Allah ﷺ, why do you marry from Quraish and you do not marry from among us? He said: ʿDo you have anyone” I said: Yes, the daughter of Hamzah. He said: ʿShe is the daughter of my brother through breastfeeding.ʿ
قُلْتُ يَا رَسُولَ اللهِ مَا لَكَ تَنَوَّقُ فِي قُرَيْشٍ وَلاتَزَوَّجُ إِلَيْنَا؟ قَالَ وَعِنْدَكَ شَيْءٌ؟ قَالَ قُلْتُ نَعَمْ ابْنَةُ حَمْزَةَ قَالَ تِلْكَ ابْنَةُ أَخِي مِنَ الرَّضَاعَةِ