William, Prince of Orange, b 14 Nov. 1650, d. 8 March 1702, Dutch aristocrat, married to an English princess and effectively the most powerful man of the republic in the 1670s – organised the military resistance against France, became King of England and Ireland on 13 Febr. 1689, King of Scots on 11 Apr. 1689 in the events of the Glorious Revolution. Wikipedia