Barons of Alverca Barões de Alverca Created by Mary I, Queen of Portugal Decree date 04-04-1795 First holder João António de Sá Pereira, 1st baron of Alverca * ? 1730 Records #1 Holders Family filter On/Off 1 João António de Sá Pereira, 1st baron of Alverca * ? 1730 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 2-pg. 265 Corrections and Updates To suggest a correction or an update. Click Here