Her eldest daughter Hermine had married Archduke Joseph, the Palatine of Hungary, at Schloss Schaumburg in 1815 and had moved to Hungary with him. At the birth of a twin, Hermione and Stephan, she died in September 1817. Her son, Archduke Stephan, was prepared early to take on important government and administrative offices. When Palatine Joseph died in 1847, Stephen himself became the Palatine, d. H. elected Deputy King in Hungary. It was during this time that the long-standing tensions between Hungarian nationalists and Viennese court increased and soon increased to civil war-like conflicts. Archduke Stephan, as a young, inexperienced palatine, could not live up to the demands of both sides. He resigned in September 1848 and was banished by Emperor Ferdinand to Schloss Schaumburg.
Here he had to rearrange his life. At Schaumburg Castle he devoted himself to a great extent his natural science interests, social duties and hunting. The rebuilding of the castle in the style of the English Tudor Gothic, initiated by Archduke Stephan immediately after his arrival and planned by the Nassau Building Boos, was entirely in the spirit of this reorientation: he had a new wing, the "Stephansbau", built in which his very significant mineral collection and a stable for Hungarian riding horses occupied the most space. He had the former dining room converted into a library, and in the grounds, animal enclosures, gardens and greenhouses with a large palm house were built. Another new building was the large main tower, which was used to measure the Duchy of Nassau. From its tip, there was visual contact with several other measuring points in the country