Marquesses of Las Carreras Marqueses de Las Carreras Created by Isabella II, queen of Spain First holder Pedro Santana y Familias, 1st marquess of las Carreras * 1801 Records #1 Holders Family filter On/Off 1 Pedro Santana y Familias, 1st marquess of las Carreras * 1801 Corrections and Updates To suggest a correction or an update. Click Here