Juan de Jáuregui was a Biscayan accounting assistant known for his unsuccessful 1582 assassination attempt upon William the Silent, Prince of Orange.
Juan de Jáuregui attempting to assassinate William the Silent, prince of Orange, by Frans Hogenberg, 1582 (published in 1616)
Prince William I after the failed assassination attempt by Jean Jaurequi in 1582, nursed by Charlotte de Bourbon, history painting by Nicolaas Pieneman, 1840.