skos:altLabel | - Brunswick
- Frederick William
- Black Duke
- Friedrich Wilhelm
- fourth one
- Hereditary Prince
- Duke of Brunswick
- Duke of Brunswick's
- Duke Frederick William
- Duke Friedrich Wilhelm
- Frederick William ''the Black Duke''
- Frederick William of Braunschweig-Oels
- Frederick William of Brunswick-Wolfenbüttel
- Frederick William, Duke of Brunswick
- Frederick William, The Black Duke
- Frederick, Duke of Brunswick's
- Friedrich Wilhelm, Duke of Brunswick-Wolfenbüttel
- fourth one is
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