Marquesses of San Leonardo Marqueses de San Leonardo First holder Gonzalo Fajardo Chacón Dávalos, 1st marquess of San Leonardo Records #3 Holders Family filter On/Off 1 Gonzalo Fajardo Chacón Dávalos, 1st marquess of San Leonardo Cayetana FitzJames Stuart, duchess of Alba * 1926 Pedro de Alcântara Stuart y Portugal, marquess of San Leonardo * 1720 Corrections and Updates To suggest a correction or an update. Click Here
