How many movies have Franz Seitz and Ilse Lotz-Dupont collaborated on?

They have worked on 6 movies together! Their first movie together was Mein Schatz, komm mit ans blaue Meer (1959) while their highest rated movie together was Isola Bella (1961). They have not worked together since Ferien vom Ich (1963). They are most known for their comedy films together.