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
hakim:5312 – Abū Bakr Aḥmad b. Isḥāq > Ismāʿīl b. Qutaybah > Muḥammad b. ʿAbdullāh b. Numayr

[Machine] "Ubayy ibn Ka'b died during the caliphate of Umar ibn al-Khattab in the year twenty-two."  

الحاكم:٥٣١٢ – أَخْبَرَنَا أَبُو بَكْرٍ أَحْمَدُ بْنُ إِسْحَاقَ أَنَا إِسْمَاعِيلُ بْنُ قُتَيْبَةَ ثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ قَالَ

«مَاتَ أُبَيُّ بْنُ كَعْبٍ فِي خِلَافَةِ عُمَرَ بْنِ الْخَطَّابِ سَنَةَ اثْنَتَيْنِ وَعِشْرِينَ»  

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Collected by Ḥākim
hakim:5317 – al-Shaykh Abū Bakr b. Isḥāq > Ismāʿīl b. Qutaybah > Muḥammad b. ʿAbdullāh b. Numayr

[Machine] And Ubayy died during the caliphate of Umar in the twenty-second year.  

الحاكم:٥٣١٧ – أَخْبَرَنَا الشَّيْخُ أَبُو بَكْرِ بْنُ إِسْحَاقَ أَنَا إِسْمَاعِيلُ بْنُ قُتَيْبَةَ ثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ قَالَ

«وَمَاتَ أُبَيٌّ فِي خِلَافَةِ عُمَرَ سَنَةَ اثْنَتَيْنِ وَعِشْرِينَ»