English translation
3692. It was narrated that Ibn 'Abbās said: "Sa'd bin 'Ubādah Al-Anṣārī consulted the Messenger of Allāh ﷺ about an (outstanding) vow that his mother had to fulfill, but she died before doing so. The Messenger of Allāh ﷺ said: 'Fulfill it on her behalf.'"[1] (Sahīh)
