Complex sentence: If any of the villagers die, not only relatives but all the adult villagers man and woman go to the bereaved family and spent the whole night reciting the Holy Quran for the affected family.
Split into simpler sentences: If any of the villagers die, not only do the relatives, but all the adult villagers, both men and women, go to the bereaved family. There, they will spend the whole night reciting the Holy Quran for the affected family.