When Etienne Gustave Frédéric, Baron van Zuylen van Nyevelt van de Haar (1860–1934), married Baroness Hélène de Rothschild, of the Rothschild family, he had not yet inherited the De Haar Castle. This marriage was a blessing for the castle, although it will still take five years before the castle benefits from the Rothschild family’s fortune.  The Baroness fell in love with the castle and decided to restore it into a modern version. She contracted the famous architect Pierre Cuypers (who was the architect of other two famous buildings: Amsterdam Central Station and Rijksmuseum in Amsterdam).  Read more