Frederik der Nederlanden (1797-1881)
English: Prince Frederik of the Netherlands (full names: Willem Frederik Karel), Prince of Orange-Nassau, (Berlin, February 28, 1797 – Wassenaar, September 8, 1881), was the second son of king William I of the Netherlands and his wife Queen Wilhelmine.
de:Wilhelm Friedrich Karl von Oranien-Nassau, photography around 1860
- Wilhelmina Frederika Alexandrine Anna Louise (1828–1871), married to Charles XV of Sweden
- Willem Frederik Nicolaas Karel (1833–1834)
- Willem Frederik Nicolaas Albert (1836–1846)
- Wilhelmina Frederika Alexandrine Anna Louise Marie (1841–1910), married to Prince Wilhelm of Wied. They were parents of William, Prince of Albania.