He also worked in several houses and monasteries in Ghent , in Beaulieu Castle ( Belgium ) in Machelen and in Horst Castle . He has also worked in several houses and monasteries in Ghent , in Beaulieu Castle ( Belgium ) in Machelen and in Horst Castle . He also worked in several houses and monasteries in Belgium , in the castle of Beaulieu ( Ghent ) in Machelen and in Horst Castle .