Viscounts of Pomarão Created by Louis I, king of Portugal First holder James Francis Mason, 2nd earl of Pomarão * 1861 Records #1 Holders Family filter On/Off 1 James Francis Mason, 2nd earl of Pomarão * 1861 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 132 Corrections and Updates To suggest a correction or an update. Click Here