 An example is the "Family Portrait said to be of the Van der Witte Family" painted together with landscape painter Jan Siberechts (Sotheby's, 5 July 2012, London, lot 134).In this composition, the artists placed their subjects on an unlikely steep rise overlooking their large estate.Another collaboration was with the landscape painter Guilliam van Schoor with whom he made a "" (Royal Museums of Fine Arts of Belgium).