The Book of the Believer · Hadith 168 (#Ḥadīth #10)
Chapter 7 | The Reward of one who Feeds a Believer, Quenches his Thirst, Clothes him or Pays off his Debt
168 - وعن أبي عبد الله عليه السلام قال: أول ما يتحف به المؤمن في قبره أن يغفر لمن تبع جنازته.
168. It has been reported that Abu 'Abd Allah said: The first gift that a believer is presented with in his grave is the forgiveness for those who accompanied his bier.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).