Barons of Aldenberg Barões de Aldenberg Created by Francis I, Holy Roman Emperor Decree date 29-03-1753 First holder Martinho Velho da Rocha Oldenberg, 1st baron of Aldenberg * c. 1700 Records #1 Holders Family filter On/Off 1 Martinho Velho da Rocha Oldenberg, 1st baron of Aldenberg * c. 1700 Corrections and Updates To suggest a correction or an update. Click Here