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 he served with distinction in the Mediterranean and Pacific Fleets. After the war, Philip was granted permission by King George VI to marry Elizabeth. Before the official announcement of their engagement in July 1947, he abandoned his Greek and Danish royal titles and became a naturalised British subject, adopting the surname Mountbatten from his maternal grandparents. He married Elizabeth on 20 November 1947. Just before the wedding, he was created Baron Greenwich, Earl of Merioneth and Duke of Edinburgh. Philip left active military service when Elizabeth became monarch in 1952, having reached the rank of commander, and was formally made