Hadith 726
اول ما يجازى به العبد بعد موته أن يغفر لجميع من اتبع جنازته
"After the death of a (believing) servant, the very first reward given to him is that all those who walk behind his funeral are forgiven."
Hadith 727
كرامة المؤمن على الله أن يغفر لمشيعه
"The honor of a believer with Allah is that He forgives those who walk with his funeral."