John William Friso

John William Friso
Prince of Orange
Reign	8 March 1702 – 14 July 1711
Predecessor	William III
Successor	William IV
Prince of Nassau-Dietz
Reign	25 March 1696 – ca. 1702
Predecessor	Henry Casimir II
Prince of Orange-Nassau
Reign	ca. 1702 – 14 July 1711
Successor	William IV
Stadtholder of Friesland and Groningen
Reign	25 March 1696 – 14 July 1711
Predecessor	Henry Casimir II
Successor	William IV
Born	14 August 1687 Dessau, Anhalt
Died	14 July 1711(1711-07-14) (aged 23) Hollands Diep, between Dordrecht and Moerdijk
Burial	25 February 1712 Grote of Jacobijnerkerk, Leeuwarden
Spouse	Landgravine Marie Louise of Hesse-Kassel ​ ​ (m. 1709)​
Issue	Amalia, Hereditary Princess of Baden-Durlach William IV, Prince of Orange
House	Orange-Nassau
Father	Henry Casimir II, Prince of Nassau-Dietz
Mother	Princess Henriëtte Amalia of Anhalt-Dessau
Military service
Battles/wars	War of the Spanish Succession Siege of Ostend Battle of Oudenarde Siege of Lille Sieg of Ghent Battle of Malplaquet Siege of Mons Siege of Douai

John William Friso (Dutch: Johan Willem Friso; 14 August 1687 – 14 July 1711) became the (titular) Prince of Orange in 1702. He was the Stadtholder of Friesland and Groningen in the Dutch Republic until his death by accidental drowning in the Hollands Diep in 1711.^[1] From the end of World War II in 1945 until 2022, Friso and his wife, Marie Louise of Hesse-Kassel, were the most recent common ancestors of all reigning hereditary European monarchs.^{[citation needed]}