Frederick Louis, Duke of Schleswig-Holstein-Sonderburg-Beck was a Duke of Schleswig-Holstein-Sonderburg-Beck and field marshal of the Prussian Army. Wikipedia
Born: April 6, 1653, Löhne, Germany
Died: March 7, 1728 (age 74 years), Königsberg
Great-grandparents: John II, Duke of Schleswig-Holstein-Sonderburg, Elisabeth of Brunswick-Grubenhagen, and Anne von Oldenburg
Show more
Show less