Sahih Muslim
1638.01

Ibn Abbas reported that Sa'd b. Ubida asked Allah's Messenger (ﷺ) for a decision about a vow taken by his mother who had died before fulfilling it. Allah's Messenger (ﷺ) said:Fulfil it on her behalf

1638.02

This hadith has been narrated on the authority of Zuhri with a different chains of transmitters