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
bayhaqi:12345 – Abū Aḥmad al-Mihrajānī > Abū Bakr b. Jaʿfar al-Muzakkī > Muḥammad b. Ibrāhīm > Ibn Bukayr > Mālik > ʿAbd Rabbih b. Saʿīd

[Machine] That Abu Bakr ibn Abdurrahman ibn Al-Harith ibn Hisham would only impose for the two grandmothers.  

البيهقي:١٢٣٤٥ – أَخْبَرَنَا أَبُو أَحْمَدَ الْمِهْرَجَانِيُّ أنا أَبُو بَكْرِ بْنُ جَعْفَرٍ الْمُزَكِّي ثنا مُحَمَّدُ بْنُ إِبْرَاهِيمَ ثنا ابْنُ بُكَيْرٍ ثنا مَالِكٌ عَنْ عَبْدِ رَبِّهِ بْنِ سَعِيدٍ

أَنَّ أَبَا بَكْرِ بْنَ عَبْدِ الرَّحْمَنِ بْنِ الْحَارِثِ بْنِ هِشَامٍ كَانَ لَا يَفْرِضُ إِلَّا لِلْجَدَّتَيْنِ