William II, Prince of Orange

William II was sovereign Prince of Orange and Stadtholder of Holland, Zeeland, Utrecht, Guelders, Overijssel and Groningen in the United Provinces of the Netherlands from 14 March 1647 until his death three years later on 6 November 1650. His death marked the beginning of the First Stadtholderless Period, leading to the rise of Johan De Witt, who stayed in power for the next 22 years.