Barons of Fonseca Barões do Fonseca Created by Pedro II, Emperor of Brazil Decree date 03-04-1867 First holder João de Figueiredo Pereira de Barros, 1st baron of Fonseca Records #1 Holders Family filter On/Off 1 João de Figueiredo Pereira de Barros, 1st baron of Fonseca Sources Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 606 Corrections and Updates To suggest a correction or an update. Click Here