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
tabarani:9161 – ʿAlī b. ʿAbd al-ʿAzīz > Abū Nuʿaym > al-Masʿūdī > Abū ʿAwn > al-Qāsim > a man Āstaʾdhan And Rathatah

[Machine] To recommend more than a third [of the inheritance] and then go back on it after one's death, Abdullah was asked about that and he said, "That is not permissible."  

الطبراني:٩١٦١ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثنا أَبُو نُعَيْمٍ ثنا الْمَسْعُودِيُّ عَنْ أَبِي عَوْنٍ عَنِ الْقَاسِمِ §أَنَّ رَجُلًا اسْتَأْذَنَ وَرَثَتَهُ

أَنْ يُوصِيَ بِأَكْثَرَ مِنِ الثُّلُثِ فَأَذِنُوا لَهُ ثُمَّ رَجَعُوا فِيهِ بَعْدَ مَا مَاتَ فَسُئِلَ عَبْدُ اللهِ عَنْ ذَلِكَ فَقَالَ «ذَاكَ النُّكْرَةُ لَا يَجُوزُ»  

See similar narrations below:

Collected by Dārimī
darimi:3236 – Abū Nuʿaym > al-Masʿūdī > Abū ʿAwn > al-Qāsim > a man Āstaʾdhan And Rathatah

[Machine] "To appoint more than one third (of the wealth) as an inheritance, so they agreed with him (authorizer) and then they went back on it after he died. Abdullah was asked about that, and he said, 'This revocation is not permissible.'"  

الدارمي:٣٢٣٦ – حَدَّثَنَا أَبُو نُعَيْمٍ حَدَّثَنَا الْمَسْعُودِيُّ عَنْ أَبِي عَوْنٍ عَنْ الْقَاسِمِ أَنَّ رَجُلًا اسْتَأْذَنَ وَرَثَتَهُ

أَنْ يُوصِيَ بِأَكْثَرَ مِنَ الثُّلُثِ فَأَذِنُوا لَهُ ثُمَّ رَجَعُوا فِيهِ بَعْدَ مَا مَاتَ فَسُئِلَ عَبْدُ اللَّهِ عَنْ ذَلِكَ فَقَالَ «هَذَا التَّكَرُّهُ لَا يَجُوزُ»