Dom Duarte Pio, Duke of Braganza, pretender to the former Portuguese Throne As Head Of The House Of Braganza, At NOVA University Of Lisbon

LISBON, PORTUGAL - July 20: Dom Duarte Pio, Duke of Braganza, pretender to the former Portuguese throne, as the head of the House of Braganza, attends the ceremony at NOVA University of Lisbon in which His Highness Shah Karim al-Hussaini, Prince Aga Khan, was awarded with the Honoris Causa Doctorate on July 20, 2017 in Lisbon, Portugal. Duarte Pio is well known within the European network of royal houses, and he attends foreign royal events. He roots for monarchy and is widely recognized as Portugal's heir to the throne, but there is no support for a restoration in the country. (Photo by Horacio Villalobos - Corbis/Corbis via Getty Images)