Marquesses of los Aguilares Marqueses de los Aguilares Created by Charles II, king of Spain Decree date 1688 First holder Diego Gasca de la Vega y Balbí, marquess of los Aguilares Records #1 Holders Family filter On/Off 1 Diego Gasca de la Vega y Balbí, marquess of los Aguilares Corrections and Updates To suggest a correction or an update. Click Here