He was relieved of his post as Commander of the Regiment at the beginning of 1907 and expelled from the Prussian Army because of his homosexuality. He was allowed to reenlist at the beginning of World War I as a private, but was denied promotion. At the end of 1906, at the wishes of
Kaiser Wilhelm II and as the heir of his deceased father, Friedrich Heinrich was voted the Herrenmeister of the
Order of Saint John. However, due to increasing knowledge of his homosexuality,
Prince Eitel Friedrich became the Herrenmeister instead. Journalist
Maximilian Harden published an article on 27 April 1907 that this change in leadership was because the prince "suffers from an inherited version of inverted sex drive." This is likely a reference to his homosexual ancestor
Prince Henry of Prussia (1726–1802). In response to this publicity, Friedrich Heinrich left Berlin on the advice of
Theobald von Bethmann Hollweg. He spent time in the south of France and Egypt before returning to Germany, where he lived in seclusion on his estates in
Silesia. At the beginning of 1910, he gave up his presidency of the Academy of Charitable Sciences at Erfurt to his brother
Prince Friedrich Wilhelm of Prussia. == Later years ==