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.
darimi:2905Muḥammad b. al-ʿAlāʾ > Isḥāq b. Manṣūr al-Salūlī > Jaʿfar al-Aḥmar > al-Sarī b. Ismāʿīl > Qays b. Abū Ḥāzim

[Machine] I came to the Prophet ﷺ to pledge allegiance to him, but when I arrived, he had passed away, and Abu Bakr was standing in his place. He praised and cried for a long time, then he said, "I heard the Messenger of Allah ﷺ saying, 'Disbelief is to deny one's lineage, even if it is known, and to claim a lineage that is unknown.'"  

الدارمي:٢٩٠٥حَدَّثَنَا مُحَمَّدُ بْنُ الْعَلَاءِ حَدَّثَنَا إِسْحَاقُ بْنُ مَنْصُورٍ السَّلُولِيُّ عَنْ جَعْفَرٍ الْأَحْمَرِ عَنْ السَّرِيِّ بْنِ إِسْمَاعِيلَ عَنْ قَيْسِ بْنِ أَبِي حَازِمٍ قَالَ

أَتَيْتُ النَّبِيَّ ﷺ لِأُبَايِعَهُ فَجِئْتُ وَقَدْ قُبِضَ وَأَبُو بَكْرٍ قَائِمٌ فِي مَقَامِهِ فَأَطَالَ الثَّنَاءَ وَأَكْثَرَ الْبُكَاءَ فَقَالَ سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ «كُفْرٌ بِاللَّهِ انْتِفَاءٌ مِنْ نَسَبٍ وَإِنْ دَقَّ وَادِّعَاءُ نَسَبٍ لَا يُعْرَفُ»  


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Collected by Suyūṭī
suyuti:526-3bQays b. Abiá Ḥāzim
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السيوطي:٥٢٦-٣b

"عَنْ قَيْسِ بْنِ أَبِى حَازِمٍ قَالَ: أَتَيْتُ رَسُولَ الله ﷺ لأُبَايِعَهُ، فَجِئْتُ وَقَدْ قُبِضَ رَسُولُ الله ﷺ وَأَبُو بَكْرٍ قَائِمٌ فِى مَقَامِهِ، فَأَطَالَ الثَّنَاءَ وَأَكْثَرَ الْبُكَاءَ".  

[كر] ابن عساكر في تاريخه