skos:altLabel | - Duke
- Frederick IV
- Duke Frederick
- Duke of Holstein
- Frederick III
- Frederick of Holstein-Gottorp
- Duke Frederick III
- Duke of Holstein-Gottorp
- John Adolf, Duke of Schleswig-Holstein-Gottorp
- Magdalena Sibylle, née Duchess of Schleswig-Holstein-Gottorf
- Duke Friedrich III of Holstein-Gottorp
- Frederick III (Gottorp)
- Frederick III of Holstein-Gottorp
- Frederick III of Schleswig-Holstein-Gottorp
- Frederick III, Duke of Schleswig-Holstein-Gottorp
- Friedrich III of Holstein-Gottorp
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