François Caron
In 1649–1650 he accompanied Adriaen Pauw to England and toured through Belgium, France, Switzerland and Italy. In 1655 Constantijn moved to Paris. He joined the circle around Honoré Fabri. In the Hague he also was visiting the salon, organized by the wife of François Caron. In 1668 he married Susanna Rijckaert (1642–1712), a rich woman from Amsterdam. In April 1676, during his stay in Zemst he was visited by David Teniers the Younger. In 1680 Constantijn Jr. visited Celle and moved out of his father's house. It is not sure if it had to do with Abraham de Wicquefort or