(35) باب مَنْ مَاتَ وَعَلَيْهِ نَذْرٌ
It was narrated that Ibn 'Abbas said:
"Sa'd bin 'Ubadah came to the Prophet and said: 'My mother died and she had sworn a vow, but she did not fulfill it.' He said: 'Fulfill it on her behalf.'" (ES)
Reference (ES): Sunan an-Nasa'i 3819 (ES)
In-book reference (ES): Book 35, Hadith 59 (ES)
English translation (ES): Vol. 4, Book 35, Hadith 3850 (ES)