John Maurice, Prince of Nassau-Siegen (d. 1679)
John Maurice of Nassau (Dutch: Johan Maurits van Nassau-Siegen; German: Johann Moritz von Nassau-Siegen; Portuguese: João Maurício de Nassau-Siegen; 17 June 1604 – 20 December 1679), called "the Brazilian" for his fruitful period as governor of Dutch Brazil, was Count and (from 1664) Prince of Nassau-Siegen, and Grand Master of the Order of Saint John (Bailiwick of Brandenburg).Mauritshuis, an art museum in The Hague, Netherlands occupies the former residence of Johan Maurice, and literally means Johan Maurits' house in Dutch.