Aflah, the brother of Abi Al-Quʿais, asked permission to visit me after the order of Al-Hijab was revealed. I said, "I will not permit him unless I take permission of the Prophet ﷺ about him for it was not the brother of Abi Al-Quʿais but the wife of Abi Al-Quʿais that nursed me." The Prophet ﷺ entered upon me, and I said to him, "O Messenger of Allah ﷺ! Aflah, the brother of Abi Al-Quʿais asked permission to visit me but I refused to permit him unless I took your permission." The Prophet ﷺ said, "What stopped you from permitting him? He is your uncle." I said, "O Messenger of Allah ﷺ! The man was not the person who had nursed me, but the woman, the wife of Abi Al-Quʿais had nursed me." He said, "Admit him, for he is your uncle. Taribat Yaminuki (may your right hand be saved)" ʿUrwa, the sub-narrator added: For that ʿAisha used to say, "Consider those things which are illegal because of blood relations as illegal because of the corresponding foster relations."  

قَالَتِ اسْتَأْذَنَ عَلَىَّ أَفْلَحُ أَخُو أَبِي الْقُعَيْسِ بَعْدَ مَا أُنْزِلَ الْحِجَابُ فَقُلْتُ لاَ آذَنُ لَهُ حَتَّى أَسْتَأْذِنَ فِيهِ النَّبِيَّ ﷺ فَإِنَّ أَخَاهُ أَبَا الْقُعَيْسِ لَيْسَ هُوَ أَرْضَعَنِي وَلَكِنْ أَرْضَعَتْنِي امْرَأَةُ أَبِي الْقُعَيْسِ فَدَخَلَ عَلَىَّ النَّبِيُّ ﷺ فَقُلْتُ لَهُ يَا رَسُولَ اللَّهِ إِنَّ أَفْلَحَ أَخَا أَبِي الْقُعَيْسِ اسْتَأْذَنَ فَأَبَيْتُ أَنْ آذَنَ حَتَّى أَسْتَأْذِنَكَ فَقَالَ النَّبِيُّ ﷺ وَمَا مَنَعَكِ أَنْ تَأْذَنِي عَمُّكِ قُلْتُ يَا رَسُولَ اللَّهِ إِنَّ الرَّجُلَ لَيْسَ هُوَ أَرْضَعَنِي وَلَكِنْ أَرْضَعَتْنِي امْرَأَةُ أَبِي الْقُعَيْسِ فَقَالَ ائْذَنِي لَهُ فَإِنَّهُ عَمُّكِ تَرِبَتْ يَمِينُكِ قَالَ عُرْوَةُ فَلِذَلِكَ كَانَتْ عَائِشَةُ تَقُولُ حَرِّمُوا مِنَ الرَّضَاعَةِ مَا تُحَرِّمُونَ مِنَ النَّسَبِ  

By Allah, I would not permit Aflah unless I have solicited the opinion of Messenger of Allah ﷺ for Abu Qulais has not suckled me, but his wife has given me suck. 'A'isha' (Allah be pleased with her) said: When Messenger of Allah ﷺ entered, I said: Messenger of Allah, Aflah is the brother of Abu'l-Qulais; he came to me to seek my permission for entering (the houst). I did not like the idea of granting him permission until I had solicited your opinion. Thereupon Allah's Apostle ﷺ said: Grant him permission. 'Urwa said it was on account of this that 'A'isha used to say. What is unlawful by reason of consanguinity is unlawful by reason of fosterage.  

أَنَّهُ جَاءَ أَفْلَحُ أَخُو أَبِي الْقُعَيْسِ يَسْتَأْذِنُ عَلَيْهَا بَعْدَ مَا نَزَلَ الْحِجَابُ وَكَانَ أَبُو الْقُعَيْسِ أَبَا عَائِشَةَ مِنَ الرَّضَاعَةِ قَالَتْ عَائِشَةُ فَقُلْتُ وَاللَّهِ لاَ آذَنُ لأَفْلَحَ حَتَّى أَسْتَأْذِنَ رَسُولَ اللَّهِ ﷺ فَإِنَّ أَبَا الْقُعَيْسِ لَيْسَ هُوَ أَرْضَعَنِي وَلَكِنْ أَرْضَعَتْنِي امْرَأَتُهُ قَالَتْ عَائِشَةُ فَلَمَّا دَخَلَ رَسُولُ اللَّهِ ﷺ قُلْتُ يَا رَسُولَ اللَّهِ إِنَّ أَفْلَحَ أَخَا أَبِي الْقُعَيْسِ جَاءَنِي يَسْتَأْذِنُ عَلَىَّ فَكَرِهْتُ أَنْ آذَنَ لَهُ حَتَّى أَسْتَأْذِنَكَ قَالَتْ فَقَالَ النَّبِيُّ ﷺ ائْذَنِي لَهُ قَالَ عُرْوَةُ فَبِذَلِكَ كَانَتْ عَائِشَةُ تَقُولُ حَرِّمُوا مِنَ الرَّضَاعَةِ مَا تُحَرِّمُونَ مِنَ النَّسَبِ  

[Machine] She said, "I sought permission from Abu Qais's brother to enter upon him after the veil descended, but I said: By Allah, I will not grant permission to him until I seek permission from the Messenger of Allah ﷺ . She added, "So the Messenger of Allah ﷺ entered upon me and I said: O Messenger of Allah, Abu Qais's brother sought permission from me but I refused to grant him permission until I seek permission from you." The Messenger of Allah ﷺ said: "And what prevents you from granting permission to your uncle?" She replied, "O Messenger of Allah, it was not him who breastfed me, it was his wife who breastfed me." He ﷺ said: "He is your uncle, grant him permission, for your right thigh is Haram to him." Urwah said: "That is why Aisha used to say: 'Forbidding what is forbidden by lineage should also be applied to breastfeeding.'"  

قَالَتِ اسْتَأْذَنَ عَلَيَّ أَفْلَحُ أَخُو أَبِي قُعَيْسٍ بَعْدَمَا نَزَلَ الْحِجَابُ فَقُلْتُ وَاللَّهِ لَا آذَنُ لَهُ حَتَّى أَسْتَأْذِنَ فِيهِ رَسُولَ اللَّهِ ﷺ قَالَتْ فَدَخَلَ عَلَيَّ رَسُولُ اللَّهِ ﷺ فَقُلْتُ يَا رَسُولَ اللَّهِ إِنَّ أَفْلَحَ أَخَا أَبِي قُعَيْسٍ اسْتَأْذَنَ عَلَيَّ فَأَبَيْتُ أَنْ آذَنَ لَهُ حَتَّى أَسْتَأْذِنَكَ فَقَالَ رَسُولُ اللَّهِ ﷺ «وَمَا يَمْنَعُكِ أَنْ تَأْذَنِي لِعَمِّكِ»؟ قَالَتْ قُلْتُ يَا رَسُولَ اللَّهِ إِنَّ الرَّجُلَ لَيْسَ هُوَ الَّذِي أَرْضَعَنِي إِنَّمَا أَرْضَعَتْنِي امْرَأَتُهُ قَالَ ﷺ «هُوَ عَمُّكِ ائْذَنِي لَهُ تَرِبَتْ يَمِينُكِ» قَالَ عُرْوَةُ فَلِذَلِكَ كَانَتْ عَائِشَةُ تَقُولُ «حَرِّمُوا مِنَ الرَّضَاعِ مَا تُحَرِّمُونَ مِنَ النَّسَبِ»