The title “La Llorona” (the weeping woman) refers to a Latin American legend of pre-Columbian origins which was later embraced by the Spanish colonizing culture.
The legend deals with a woman who drowns her children in an aftermath of a loveless marriage. After realizing what she has done, she also jumps in the well. Her ghost can be seen wandering along the well, crying and mourning in the night, looking for her children and causing misfortune for those who see her....
Thus, this is the environment designed for La Llorona.