Charity on behalf of a person who dies suddenly. And the execution of the vows. Sahih al-Bukhari 2761
Arabic hadith text
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنِ ابْنِ شِهَابٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ أَنَّ سَعْدَ بْنَ عُبَادَةَ ـ رضى الله عنه ـ اسْتَفْتَى رَسُولَ اللَّهِ صلى الله عليه وسلم فَقَالَ إِنَّأُمِّي مَاتَتْ وَعَلَيْهَا نَذْرٌ. فَقَالَ " اقْضِهِ عَنْهَا "
Translation
Narrated Ibn `Abbas
Sa`d bin Ubada consulted Allah's Messenger (ﷺ) saying, "My mother died and she had an unfulfilled vow." The Prophet (ﷺ) said, "Fulfill it on her behalf."