Prince Philip, Duke of Edinburgh three years, his four sisters married German noblemen and moved to Germany, his mother was placed in an asylum after being diagnosed with schizophrenia, and his father took up residence in Monte Carlo. Philip had little contact with his mother for the remainder of his childhood. In 1933, he was sent to Schule Schloss Salem in Germany, which had the "advantage of saving school fees" because it was owned by the family of his brother-in-law, Berthold, Margrave of Baden. With the rise of Nazism in Germany, Salem's Jewish founder, Kurt Hahn, fled persecution and founded Gordonstoun School in Scotland. After
Prince Philip, Duke of Edinburgh asked the King for his daughter's hand in marriage. The King granted his request, provided that any formal engagement be delayed until Elizabeth's twenty-first birthday the following April. By March 1947, Philip had abandoned his Greek and Danish royal titles, had adopted the surname Mountbatten from his mother's family, and had become a naturalised British subject. The engagement was announced to the public on 10 July 1947. Though Philip appeared "always to have regarded himself as an Anglican", and he had attended Anglican services with his classmates and relations in England and throughout his Royal Navy days, he had been