skos:altLabel | - Frederick
- Frederick I
- Frederick II
- Friedrich II
- Frederick William
- Duke Frederick
- Friedrich I
- Frederick III
- King Frederick I
- Frederick of Württemberg
- Duke Frederick of Württemberg
- Frederick I, Duke of Württemberg
- Frederick I
- '''Frederick I, King of Württemberg'''
- - Frederick I
- Duke ''Frederick'' Wilhelm Karl of Württemberg
- Duke Frederick II
- Duke Frederick II, later King Frederick I
- Duke Frederick III
- Duke Frederick William Charles of Württemberg
- Frederic, Hereditary Prince of Württemberg
- Frederick I, King of Württemberg
- Frederick III (later King Frederick I)
- Frederick III, Duke of Württemberg
- Frederick, Elector of Württemberg
- Frederick, Hereditary Prince of Württemberg
- Frederick, the Crown Prince of Wurttemberg
- Friedrich I.
- Friedrich III, Duke of Württemberg
- Grand Duke Frederick
- King Frederick I of Württemberg
- King Friedrich I
- Order of Frederick I
- Prince Frederick of Würtemberg
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