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 Sir Philip Mountbatten and is so described in the Letters Patent of 20 November 1947. Philip and Elizabeth were married in a ceremony at Westminster Abbey, recorded and broadcast by BBC radio to 200 million people around the world. However, in post-war Britain, it was not acceptable for any of the Duke of Edinburgh's German relations to be invited to the wedding, including Philip's three surviving sisters, all of whom had married German princes, some with Nazi connections. After their marriage, the Duke and Duchess of Edinburgh took up residence at Clarence House. Their first two children were born: Prince