Dukes of Oporto Duques do Porto Created by Mary II, Queen of Portugal Decree date 04-04-1833 First holder Louis I, king of Portugal * 1838 Records #3 Holders Family filter On/Off 1 Louis I, king of Portugal * 1838 2 Afonso de Bragança, duke of Oporto * 1865 3 Dinis de Bragança, 4th duke of Oporto * 1999 Corrections and Updates To suggest a correction or an update. Click Here
