How many movies have Elke Aberle and Erich Engels collaborated on?

They have worked on 3 movies together! Their first movie together was Witwer mit fünf Töchtern (1957) while their highest rated movie together was Grabenplatz 17 (1958). They have not worked together since Vater, Mutter und neun Kinder (1958). They are most known for their comedy films together.