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
Duke of Edinburgh-class cruiser two more were added to "Duke of Edinburgh" on the forecastle. The ship's foremast was converted to a tripod mast to support the weight of the fire-control director probably added in 1917. "Duke of Edinburgh" and "Black Prince" served in the Channel, Atlantic and Home Fleets before World War I. They were stationed in the Mediterranean when World War I began and participated in the pursuit of the "Goeben" and "Breslau" as part of the 1st Cruiser Squadron, but was ordered not to engage. After the German ships reached Ottoman waters, the ships were sent to the Red Sea in