Six Kids and Their Uncle
Min søsters børn (original)
Starring Axel Strøbye, Karl Stegger, William Rosenberg, Jeanne Darville, Pusle Helmuth, Sonja Oppenhagen, Bjørn Puggaard-Müller, Hugo Herrestrup, Jytte Abildstrøm, Emil Hass Christensen
It's a family and comedy movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.