I said: O Messenger of Allah ﷺ, why do you marry from Quraish and not from us? He said: “Do you have anyone?ʿ I said: The daughter of Hamzah. He said: ʿShe is the daughter of my brother through breastfeeding.“
قُلْتُ يَا رَسُولَ اللهِ مَا لِي أَرَاكَ تَنَوَّقُ فِي قُرَيْشٍ وَتَدَعُنَا؟ قَالَ عِنْدَكَ شَيْءٌ؟ قُلْتُ ابْنَةُ حَمْزَةَ قَالَ هِيَ ابْنَةُ أَخِي مِنَ الرَّضَاعَةِ