How many movies have Dieter Kehler and Rosamunde Pilcher collaborated on?

They have worked on 13 movies together! Their first movie together was Rosamunde Pilcher: Das Haus an der Küste (1996) while their highest rated movie together was Rosamunde Pilcher: Bis ans Ende der Welt (2002). They have not worked together since The Engaged Woman (2013). They are most known for their romance films together.