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 sisters were Margarita, Theodora, Cecilie, and Sophie. He was baptised into the Greek Orthodox Church. His godparents were his paternal grandmother Queen Olga of Greece and Alexandros S. Kokotos, Mayor of Corfu. Shortly after Philip's birth, his maternal grandfather, Prince Louis of Battenberg, then known as Louis Mountbatten, Marquess of Milford Haven, died in London. Louis was a naturalised British citizen, who, after a career in the Royal Navy, had renounced his German titles and adopted the surname Mountbatten, an Anglicized version of Battenberg, during the First World War due to Anti-German sentiment in Great Britain. After visiting London for