Sunan an-Nasa'i 3657
سنن النسائي#3657SahihIt was narrated from Sa'd bin 'Ubadah that he consulted the Prophet about a vow which his mother had to fulfill, but she died before doing so. The Messenger of Allah said:"Fulfill it on her behalf
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Isnaad
Al-AlbaniSahih Isnaad
Zubair Ali ZaiHasan
In-book reference: 30:47