How many movies have Frédéric van den Driessche and Jean-Daniel Verhaeghe collaborated on?

They have worked on 3 movies together! Their first movie together was Sissi, the Rebellious Empress (2004) and was their highest rated movie together. They have not worked together since Galilée ou L'Amour de Dieu (2006). They are most known for their history films together.