About Prince Friedrich Wilhelm of Schleswig-Holstein-Sonderburg-Glücksburg
Prince Friedrich Wilhelm of Schleswig-Holstein-Sonderburg-Glücksburg (Full German name: Friedrich Wilhelm August Ferdinand Alexander Karl Eduard Ernst Gustav Prinz von Schleswig-Holstein-Sonderburg-Glücksburg), (29 December 1909 in Frankfurt am Main, – k.i.a., World War II, 6 June 1940 in Trier) was the son Prince Albert of Schleswig-Holstein-Sonderburg-Glücksburg (1863–1948) and his wife Ortrud of Ysenburg und Büdingen (1879–1918), daughter of Count Karl of Ysenburg und Büdingen and his wife Countess Agnes of Ysenburg und Büdingen.