Barons of Icó Barões de Icó Created by Pedro II, Emperor of Brazil First holder Francisco Fernandes Vieira, 1st barão e 1st viscount of Icó * 1784 Records #1 Holders Family filter On/Off 1 Francisco Fernandes Vieira, 1st barão e 1st viscount of Icó * 1784 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 615 Corrections and Updates To suggest a correction or an update. Click Here