William Frederick, Prince of Nassau-Dietz
William Frederick, Count of Nassau-Dietz, Stadtholder of Friesland, Groningen and Drenthe. Wikipedia
Born: August 7, 1613, Arnhem, Netherlands
Died: October 31, 1664 (age 51 years), Leeuwarden, Netherlands
Great-grandparents: William I, Count of Nassau-Siegen, Juliana of Stolberg, Frederick II of Denmark, and more
Great grandchildren: William IV, Prince of Orange and Princess Amalia of Nassau-Dietz
Partner: Albertine Agnes of Nassau (1652–)