Gates of Heaven
Starring Lucille Billingsley, Zella Graham, Cal Harberts, Dan Harberts, Phil Harberts, Scottie Harberts, Mike Koewler, Floyd McClure, Ed Quye, Florence Rasmussen
It's a documentary and drama movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.