None.

We see the death of Heidi's parents at the beginning of the film. During a wild storm, lightning strikes a tree and it falls on top of the parents. Local villagers manage to pull out baby Heidi right away.

Words like "Oh my god." and "Thank god." are used in the movie.

Grandpa is seen smoking a tobacco pipe in the movie.

The grandfather has an intense argument with Heidi's father right before he and his wife die. The grandfather is shocked by their death and yells out in pain when he realizes they didn't make it.