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muslim:999 – Hārūn b. Saʿīd al-Aylī > Ibn Wahb > ʿAmr > Bukayr > Kurayb > Maymūnah b. al-Ḥārith

Had you gives her to your maternal uncles, you would have a greater reward.  

مسلم:٩٩٩ – حَدَّثَنِي هَارُونُ بْنُ سَعِيدٍ الأَيْلِيُّ حَدَّثَنَا ابْنُ وَهْبٍ أَخْبَرَنِي عَمْرٌو عَنْ بُكَيْرٍ عَنْ كُرَيْبٍ عَنْ مَيْمُونَةَ بِنْتِ الْحَارِثِ

أَنَّهَا أَعْتَقَتْ وَلِيدَةً فِي زَمَانِ رَسُولِ اللَّهِ ﷺ فَذَكَرَتْ ذَلِكَ لِرَسُولِ اللَّهِ ﷺ فَقَالَ لَوْ أَعْطَيْتِهَا أَخْوَالَكِ كَانَ أَعْظَمَ لأَجْرِكِ  

See similar narrations below:

Collected by Aḥmad, Ibn Ḥibbān, Ṭabarānī, Nasāʾī's Kubrá, Bayhaqī, Suyūṭī
ahmad:26822 – Ḥasan b. Mūsá > Ibn Lahīʿah > Bukayr b. al-Ashaj > Kurayb a freed slave of Ibn ʿAbbās

[Machine] He said: I heard Maymunah, the wife of the Prophet ﷺ , saying: I freed a slave girl during the time of the Prophet ﷺ , so I mentioned that to him. Then, the Messenger of Allah ﷺ said to me: If you had given her to your relatives, it would have been greater in reward for you.  

أحمد:٢٦٨٢٢ – حَدَّثَنَا حَسَنُ بْنُ مُوسَى قَالَ حَدَّثَنَا ابْنُ لَهِيعَةَ قَالَ حَدَّثَنِي بُكَيْرُ بْنُ الْأَشَجِّ عَنْ كُرَيْبٍ مَوْلَى ابْنِ عَبَّاسٍ

أَنَّهُ قَالَ سَمِعْتُ مَيْمُونَةَ زَوْجَ النَّبِيِّ ﷺ تَقُولُ أَعْتَقْتُ وَلِيدَةً فِي زَمَانِ النَّبِيِّ ﷺ فَذَكَرْتُ ذَلِكَ لَهُ فَقَالَ لِي رَسُولُ اللهِ ﷺ لَوْ أَعْطَيْتِهَا أَخْوَالَكِ كَانَ أَعْظَمَ لِأَجْرِكِ  

ذِكْرُ الْبَيَانِ بِأَنَّ الصَّدَقَةَ عَلَى الْأَقَارِبِ أَفْضَلُ مِنَ الْعَتَاقَةِ

ibnhibban:3343 – Ibn Salm > Ḥarmalah > Ibn Wahb > ʿAmr b. al-Ḥārith > Bukayr b. ʿAbdullāh > Kurayb > Maymūnah b. al-Ḥārith

Had you gives her to your maternal uncles, you would have a greater reward. (Using translation from Muslim 999)  

ابن حبّان:٣٣٤٣ – أَخْبَرَنَا ابْنُ سَلْمٍ حَدَّثَنَا حَرْمَلَةُ حَدَّثَنَا ابْنُ وَهْبٍ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ عَنْ بُكَيْرِ بْنِ عَبْدِ اللَّهِ عَنْ كُرَيْبٍ عَنْ مَيْمُونَةَ بِنْتِ الْحَارِثِ

أَنَّهَا أَعْتَقَتْ وَلِيدَةً فِي زَمَانِ رَسُولِ اللَّهِ ﷺ فَذَكَرَتْ ذَلِكَ لِرَسُولِ اللَّهِ ﷺ فَقَالَ «لَوْ أَعْطَيْتِهَا أَخْوَالَكِ كَانَ أَعْظَمَ لِأَجْرِكِ»  

tabarani:20537 – ʿUmar b. ʿAbd al-ʿAzīz b. Miqlāṣ from my father > Ibn Wahb > ʿAmr b. al-Ḥārith > Bukayr b. ʿAbdullāh b. al-Ashaj > Kurayb a freed slave of Ibn ʿAbbās > Maymūnah

[Machine] I heard Maymunah say, "I freed my slave girl during the time of the Messenger of Allah ﷺ , so I mentioned it to the Messenger of Allah ﷺ . He said, 'If you had given her to your paternal cousins, it would have been greater in reward for you.'"  

الطبراني:٢٠٥٣٧ – حَدَّثَنَا عُمَرُ بْنُ عَبْدِ الْعَزِيزِ بْنِ مِقْلَاصٍ ثنا أَبِي أَخْبَرَنَا ابْنُ وَهْبٍ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ عَنْ بُكَيْرِ بْنِ عَبْدِ اللهِ بْنِ الْأَشَجِّ أَنَّهُ سَمِعَ كُرَيْبًا مَوْلَى ابْنِ عَبَّاسٍ يَقُولُ

سَمِعْتُ مَيْمُونَةَ تَقُولُ أَعْتَقْتُ وَلِيدَتِي فِي عَهْدِ رَسُولِ اللهِ ﷺ فَذَكَرْتُ ذَلِكَ لِرَسُولِ اللهِ ﷺ فَقَالَ «لَوْ أُعْطِيتِهَا أَخْوَالَكِ كَانَ أَعْظَمَ لِأَجْرِكِ»  

nasai-kubra:4910 – Aḥmad b. Yaḥyá b. al-Wazīr b. Sulaymān > Ibn Wahb > ʿAmr b. al-Ḥārith Wadhakar Ākhar Qablah > Bukayr > Kurayb > Maymūnah b. al-Ḥārith

[Machine] I heard Maymunah bint al-Harith say: "I freed a slave girl during the time of the Prophet Muhammad ﷺ , so I mentioned it to the Prophet Muhammad ﷺ . He said, 'If you had given it to your relatives, it would have been greater in reward.' Muhammad ibn Ishaq disagreed with him."  

الكبرى للنسائي:٤٩١٠ – أَخْبَرَنَا أَحْمَدُ بْنُ يَحْيَى بْنِ الْوَزِيرِ بْنِ سُلَيْمَانَ قَالَ سَمِعْتُ ابْنَ وَهْبٍ قَالَ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ وَذَكَرَ آخَرَ قَبْلَهُ عَنْ بُكَيْرٍ أَنَّهُ سَمِعَ كُرَيْبًا يَقُولُ

سَمِعْتُ مَيْمُونَةَ بِنْتَ الْحَارِثِ تَقُولُ أَعْتَقْتُ وَلِيدَةً فِي زَمَانِ رَسُولِ اللهِ ﷺ فَذَكَرْتُ ذَلِكَ لِرَسُولِ اللهِ ﷺ فَقَالَ «لَوْ أَعْطَيْتِ أَخْوَالَكِ كَانَ أَعْظَمَ لِأَجْرِكِ» خَالَفَهُ مُحَمَّدُ بْنُ إِسْحَاقَ  

bayhaqi:7762 – Muḥammad b. ʿAbdullāh al-Ḥāfiẓ > Abū ʿAbdullāh Muḥammad b. Yaʿqūb > al-Ḥusayn b. al-Ḥasan b. Muhājir > Hārūn b. Saʿīd al-Aylī > Ibn Wahb > ʿAmr b. al-Ḥārith > Kurayb > Maymūnah b. al-Ḥārith

[Machine] "She freed a slave during the time of the Messenger of Allah ﷺ, so she mentioned it to the Messenger of Allah ﷺ and he said, 'If you had given her to your paternal uncles, it would have been greater in reward for you.'"  

البيهقي:٧٧٦٢ – أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللهِ الْحَافِظُ ثنا أَبُو عَبْدِ اللهِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا الْحُسَيْنُ بْنُ الْحَسَنِ بْنِ مُهَاجِرٍ ثنا هَارُونُ بْنُ سَعِيدٍ الْأَيْلِيُّ ثنا ابْنُ وَهْبٍ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ عَنْ كُرَيْبٍ عَنْ مَيْمُونَةَ بِنْتِ الْحَارِثِ

أَنَّهَا أَعْتَقَتْ وَلِيدَةً فِي زَمَنِ رَسُولِ اللهِ ﷺ فَذَكَرَتْ ذَلِكَ لِرَسُولِ اللهِ ﷺ فَقَالَ لَوْ أَعْطَيْتِهَا أَخْوَالَكِ كَانَ أَعْظَمَ لِأَجْرِكِ  

رَوَاهُ مُسْلِمٌ فِي الصَّحِيحِ عَنْ هَارُونَ بْنِ سَعِيدٍ وَأَخْرَجَهُ الْبُخَارِيُّ مِنْ وَجْهٍ آخَرَ عَنْ عُمَرٍو