Frederik, Prince of the Netherlands (Berlin, February 28, 1797 - Wassenaar, September 8, 1881) was the second son of the future King William I. In 1826 King William I appointed him commissioner-general of the Ministry of War.
Louise, Augustina Wilhelmina Almalia, Princess of Prussia, (Koningsbergen, February 1, 1808 - Wassenaar, December 6, 1870), daughter of Frederick William of Prussia and Louise van Mecklenburg-Strelitz.