Counts of Trancoso Created by John VI, king of Portugal Decree date 13-05-1811 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. 3-pg. 451 Corrections and Updates To suggest a correction or an update. Click Here