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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
bayhaqi:21801 – Abū Ḥāmid Aḥmad b. ʿAlī al-Isfarāyīnī > Zāhir b. Aḥmad > Abū Bakr b. Ziyād al-Naysābūrī > Muḥammad b. ʿAbd al-Malik > Yazīd > Ibn Hārūn > Ismāʿīl > ʿĀmir > And Lad al-Muʿtaqah

[Machine] About Dubur and the mother of the child, they are in the same position as their mother when she is freed, so they are freed when the master dies.  

البيهقي:٢١٨٠١ – أَخْبَرَنَا أَبُو حَامِدٍ أَحْمَدُ بْنُ عَلِيٍّ الْإِسْفَرَايِينِيُّ أنبأ زَاهِرُ بْنُ أَحْمَدَ ثنا أَبُو بَكْرِ بْنُ زِيَادٍ النَّيْسَابُورِيُّ ثنا مُحَمَّدُ بْنُ عَبْدِ الْمَلِكِ ثنا يَزِيدُ هُوَ ابْنُ هَارُونَ ثنا إِسْمَاعِيلُ عَنْ عَامِرٍ قَالَ وَلَدُ الْمُعْتَقَةِ

عَنْ دُبُرٍ وَأُمِّ الْوَلَدِ بِمَنْزِلَةِ أُمِّهِمَا إِذَا عَتَقَتْ فَهُمْ مُعْتَقُونَ إِذَا مَاتَ السَّيِّدُ