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:13396Abū al-Ḥusayn b. al-Faḍl al-Qaṭṭān > Abū Sahl b. Ziyād > Ismāʿīl b. Isḥāq > Isḥāq b. Muḥammad al-Farwī > ʿAbdullāh b. Jaʿfar al-Zuhrī > Um Bakr b. al-Miswar b. Makhramah > al-Miswar b. Makhramah ؓ > Qāl Rasūl Allāh Ṣllá

[Machine] The Messenger of Allah ﷺ said, "Every lineage will be cut off except for my lineage, my companions, and my son-in-law." This is how it is.  

البيهقي:١٣٣٩٦وَأَخْبَرَنَا أَبُو الْحُسَيْنِ بْنُ الْفَضْلِ الْقَطَّانُ أنبأ أَبُو سَهْلِ بْنُ زِيَادٍ ثنا إِسْمَاعِيلُ بْنُ إِسْحَاقَ نا إِسْحَاقُ بْنُ مُحَمَّدٍ الْفَرْوِيُّ ثنا عَبْدُ اللهِ بْنُ جَعْفَرٍ الزُّهْرِيُّ عَنْ أُمِّ بَكْرٍ بِنْتِ الْمِسْوَرِ بْنِ مَخْرَمَةَ عَنِ الْمِسْوَرِ بْنِ مَخْرَمَةَ ؓ قَالَ

قَالَ رَسُولُ اللهِ ﷺ يَنْقَطِعُ كُلُّ نَسَبٍ إِلَّا نَسَبِي وَسَبَبِي وَصِهْرِي هَكَذَا  

رَوَاهُ جَمَاعَةٌ عَنْ عَبْدِ اللهِ بْنِ جَعْفَرٍ دُونَ ابْنِ أَبِي رَافِعٍ فِي إِسْنَادِهِ