Regarding Mormons: https://en.wikipedia.org/wiki/Baptism_for_the_dead#Genealogy_and_baptism https://en.wikipedia.org/wiki/Baptism_for_the_dead#Genealogy... The

Regarding Mormons: https://en.wikipedia.org/wiki/Baptism_for_the_dead#Genealogy_and_baptism https://en.wikipedia.org/wiki/Baptism_for_the_dead#Genealogy... They believe the dead can be baptized, which is a driving force behind their mission trips to other countries - if they convert one person with a very different family tree, they not only save one soul, but they enable all of that person's dead ancestors to make it into heaven as well.