Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:20511 – ʿUbayd b. Ghannām > Abū Bakr b. Abū Shaybah > Yaḥyá b. Ādam > Jarīr b. Ḥāzim > Abū Fazārah > Yazīd b. al-Aṣam > Maymūnah

[Machine] "That the Prophet ﷺ married her and it was permissible." And she was my aunt.  

الطبراني:٢٠٥١١ – حَدَّثَنَا عُبَيْدُ بْنُ غَنَّامٍ ثنا أَبُو بَكْرِ بْنِ أَبِي شَيْبَةَ ثنا يَحْيَى بْنُ آدَمَ عَنْ جَرِيرِ بْنِ حَازِمٍ عَنْ أَبِي فَزَارَةَ عَنْ يَزِيدَ بْنِ الْأَصَمِّ قَالَ حَدَّثَتْنِي مَيْمُونَةُ

«أَنَّ النَّبِيَّ ﷺ تَزَوَّجَهَا وَهُوَ حَلَالٌ» وَكَانَتْ خَالَتِي  

See similar narrations below:

Collected by Muslim, Ibn Mājah
muslim:1411 – Abū Bakr b. Abū Shaybah > Yaḥyá b. Ādam > Jarīr b. Ḥāzim > Abū Fazārah > Yazīd b. al-Aṣam > Maymūnah b. al-Ḥārith

Maimuna daughter of al-Harith narrated to me that Messenger of Allah ﷺ married her and he was not in the state of Ihram. And she (Maimuna) was my mother's sister and that of Ibn 'Abbas (Allah be pleased with them).  

مسلم:١٤١١ – حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا يَحْيَى بْنُ آدَمَ حَدَّثَنَا جَرِيرُ بْنُ حَازِمٍ حَدَّثَنَا أَبُو فَزَارَةَ عَنْ يَزِيدَ بْنِ الأَصَمِّ حَدَّثَتْنِي مَيْمُونَةُ بِنْتُ الْحَارِثِ

أَنَّ رَسُولَ اللَّهِ ﷺ تَزَوَّجَهَا وَهُوَ حَلاَلٌ قَالَ وَكَانَتْ خَالَتِي وَخَالَةَ ابْنِ عَبَّاسٍ  

ibnmajah:1964 – Abū Bakr b. Abū Shaybah > Yaḥyá b. Ādam > Jarīr b. Ḥāzim > Abū Fazārah > Yazīd b. al-Aṣam > Maymūnah b. al-Ḥārith

that the Messenger of Allah married her when he was Halal (not in Ihram). (Sahih).He (one of the narrators-Yazid) said: "And she was my maternal aunt and the maternal aunt of Idn 'Abbas also."  

ابن ماجة:١٩٦٤ – حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا يَحْيَى بْنُ آدَمَ حَدَّثَنَا جَرِيرُ بْنُ حَازِمٍ حَدَّثَنَا أَبُو فَزَارَةَ عَنْ يَزِيدَ بْنِ الأَصَمِّ حَدَّثَتْنِي مَيْمُونَةُ بِنْتُ الْحَارِثِ

أَنَّ رَسُولَ اللَّهِ ﷺ تَزَوَّجَهَا وَهُوَ حَلاَلٌ قَالَ وَكَانَتْ خَالَتِي وَخَالَةَ ابْنِ عَبَّاسٍ