Die preußische Heirat
Starring Carl Raddatz, Dagmar Altrichter, Claudia Butenuth, Gerd Böckmann, Edwin Noël, Ulrich Beiger, Gracia-Maria Kaus, Wolf Roth, Emmy Burg, Herbert Weißbach
It's a drama and comedy movie, and has a rating of 7.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.