In the 1940s, the family moved to Stowe, Vermont, where they ran a music camp when they were not touring. In 1944, Maria Augusta, Maria Franziska, Johanna, Martina, Hedwig and Agathe applied for U.S. citizenship, whereas Georg never applied to become a citizen. Rupert and Werner became citizens by serving during World War II, while Rosmarie and Eleonore became citizens by virtue of their mother's citizenship. Johannes was born in the United States in Philadelphia on the 17th January 1939 during a concert tour. Georg von Trapp died in 1947 in Vermont after suffering lung cancer.