Barons of Viamão Barões de Viamão Created by Pedro II, Emperor of Brazil First holder Hilário Pereira Fortes, 1st baron of Viamão * 1810 Records #1 Holders Family filter On/Off 1 Hilário Pereira Fortes, 1st baron of Viamão * 1810 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 733 Corrections and Updates To suggest a correction or an update. Click Here