William IV, Prince of Orange
William IV was Prince of Orange from birth and the first hereditary stadtholder of all the United Provinces of the Netherlands from 1747 until his death in 1751. During his whole life he was furthermore ruler of the Principality of Orange-Nassau... Wikipedia
Born: September 1, 1711, Leeuwarden, Netherlands
Died: October 22, 1751 (age 40 years), Royal House of the Netherlands, The Hague, Netherlands
Parents: John William Friso and Marie Louise of Hesse-Kassel
Spouse: Anne, Princess Royal and Princess of Orange (m. 1734–1751)
Great-grandparents: William Frederick, Prince of Nassau-Dietz, Albertine Agnes of Nassau, Jacob Kettler, and more
Great grandchildren: Willem II of the Netherlands, Prince Frederick of the Netherlands, William, Duke of Nassau, and more