Marquesses of San Gregorio Marqueses de San Gregorio Created by Isabella II, queen of Spain First holder Tomás Eustaquio de Corral y Oña, 1st marquess of San Gregorio * 1807 Records #4 Holders Family filter On/Off 1 Tomás Eustaquio de Corral y Oña, 1st marquess of San Gregorio * 1807 2 Fernando Luis de Corral y Usera, 2nd marquess of San Gregorio * 1846 3 Tomás Pedro María Jesús José y Blas de Corral Saiz, 3rd marquess of San Gregorio * 1905 4 Tomás de Corral y Mena, 4th marquess of San Gregorio * 1940 Corrections and Updates To suggest a correction or an update. Click Here