Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg was a German-Danish prince and officer who was the Duke of Schleswig-Holstein-Sonderburg-Beck from 1816 to 1825, and the Duke of Schleswig-Holstein-Sonderburg-Glücksburg from 1825... Wikipedia
Born: January 4, 1785, Lipowina, Poland
Died: February 17, 1831 (age 46 years), Gottorf Castle, Schleswig, Germany
Great grandchildren: Christian X (King of Denmark), Haakon VII, George V, and more
Grandchildren: Frederick VIII of Denmark, George I of Greece, Friedrich Ferdinand, Duke of Schleswig-Holstein, and more