How many movies have Egon Werdin and Roeland Wiesnekker collaborated on?

They have worked on 4 movies together! Their first movie together was Die Mütter-Mafia (2014) while their highest rated movie together was Die Müttermafia-Patin (2015). They have not worked together since Die Müttermafia-Patin (2015). They are most known for their comedy films together.