skos:altLabel | - Frederick William
- Friedrich Wilhelm
- Frederick Wilhelm
- Duke Friedrich of Glücksburg
- Frederick of Schleswig-Holstein-Sonderburg-Beck
- Friedrich Wilhelm from the Holstein-Beck family
- Friedrich Wilhelm, Duke of Glücksburg
- Friedrich<br />Wilhelm
- William, Duke of Holstein-Sonderburg-Glücksburg
- Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Beck
- Frederick William, Duke of Schleswig-Holstein-Sonderburg-Glücksburg
- Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Beck-Glücksburg
- Frederick William of Schleswig-Holstein-Sonderburg-Beck
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