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.
bayhaqi:13796Abū ʿAbdullāh al-Ḥāfiẓ > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > Aḥmad b. ʿAbd al-Jabbār > Yūnus b. Bukayr > Ibn Isḥāq > Abū Jaʿfar > Baʿath Rasūl

[Machine] Amr ibn Umayyah al-Damri went to the Negus and married him to Umm Habiba bint Abu Sufyan, and he paid him four hundred dinars. It was narrated that he married Umm Kulthum bint Ali, the daughter of Umar ibn al-Khattab, and Ali said to Hasan and Husayn, "Marry your cousin." So they married her to him.  

البيهقي:١٣٧٩٦أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا أَحْمَدُ بْنُ عَبْدِ الْجَبَّارِ ثنا يُونُسُ بْنُ بُكَيْرٍ عَنِ ابْنِ إِسْحَاقَ حَدَّثَنِي أَبُو جَعْفَرٍ قَالَ بَعَثَ رَسُولُ

اللهِ ﷺ عَمْرَو بْنَ أُمَيَّةَ الضَّمْرِيَّ إِلَى النَّجَاشِيِّ فَزَوَّجَهُ أُمَّ حَبِيبَةَ بِنْتَ أَبِي سُفْيَانَ وَسَاقَ عَنْهُ أَرْبَعَمِائَةِ دِينَارٍ وَرُوِّينَا فِي تَزْوِيجِ أُمِّ كُلْثُومٍ بِنْتِ عَلِيٍّ مِنْ عُمَرَ بْنِ الْخَطَّابِ ؓ قَالَ فَقَالَ عَلِيٌّ لِحَسَنٍ وَحُسَيْنٍ ؓ زَوِّجَا عَمَّكُمَا فَزَوَّجَاهُ