Sahih Muslim 1004b
'A'isha said that a person came to the Apostle of Allah ﷺ and said: My mother died suddenly without having made any will. I think she would have definitely given Sadaqa if she had been able to speak. Would she have a reward if I gave Sadaqa on her behalf? He (the Holy Prophet) said: Yes. This hadith has been narrated on the authority of Hisham with the same chain of transmitters. And in the hadith transmitted by Abu Usama the words are:" She did not make any will," as it has been reported by Ibn Bishr, but it was not reported by the rest of the narrators.
وَحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ، حَدَّثَنَا مُحَمَّدُ بْنُ بِشْرٍ، حَدَّثَنَا هِشَامٌ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، أَنَّ رَجُلاً، أَتَى النَّبِيَّ صلى الله عليه وسلم فَقَالَ يَا رَسُولَ اللَّهِ إِنَّ أُمِّيَ افْتُلِتَتْ نَفْسَهَا وَلَمْ تُوصِ وَأَظُنُّهَا لَوْ تَكَلَّمَتْ تَصَدَّقَتْ أَفَلَهَا أَجْرٌ إِنْ تَصَدَّقْتُ عَنْهَا قَالَ
" نَعَمْ ".
• Sahih Muslim 1004b
• Sahih Muslim Vol. 2, Book of Zakat, Hadith 2196
• Sahih Muslim, Book of Zakat, Hadith 2196