In accordance with the wishes of the donor, the house was used to accommodate heads of State and governments, as well as royalty during their official visits in Switzerland. Former guests of the estate include Winston Churchill, Pandit Nehru, Konrad Adenauer, Sukarno, Rainier and Grace of Monaco, Heinrich Lübke, Elizabeth II and Prince Philip of Great Britain, Karl Carstens, François Mitterrand, Richard von Weizsäcker and Lech Walesa. The house was restored between 1959 and 1960. Since 1994, the official guests of the Swiss Confederation stay at the Hotel Bellevue Palace, in Bern.