Viscounts of Isasi-Dávila Vizcondes de Isasi-Dávila Records #3 Holders Family filter On/Off 3 José Carlos Diez y de Isasi, 2nd viscount of Isasi Dávila * 1896 4 Carlos Luis Diez y de Domecq, 4. vizconde de Isasi-Davila * 1929 5 Carlos Luis Díez Rainer, 5. vizconde de Isasi-Davila * 1964 Corrections and Updates To suggest a correction or an update. Click Here