Marquesses of Campo Maior Created by Mary I, Queen of Portugal Decree date 17-12-1812 First holder William Beresford * 1768 Records #2 Holders Family filter On/Off 1 William Beresford * 1768 2 Henry Grant de la Poer Beresford-Peirse, 2nd marquess of Campo Maior * 1933 Sources Nobreza de Portugal e Brasil - 3 vols-vol. 2-pg.474-477 Corrections and Updates To suggest a correction or an update. Click Here