skos:altLabel | - Frederick William
- Frederick William II
- father-in-law
- Friedrich Wilhelm
- Fredrik Wilhelm
- Grand Duke Frederick William
- Grand Duke of Mecklenburg-Strelitz
- Hereditary Grand Duke of Mecklenburg-Strelitz
- Prince Royal of Mecklenburg
- Friedrich Wilhelm, Grand Duke of Mecklenburg-Strelitz
- Frederick William, The Hereditary Grand Duke of Mecklenburg-Strelitz
- Frederick William, Hereditary Grand Duke of Mecklenburgh Strelitz
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