Marquesses of Santa Maria de Silvela Marqueses de Santa Maria de Silvela Created by Alphonse XIII, King of Spain First holder María Concepción de la Viesca y Roiz, 1st marquise of Santa Maria de Silvela * 1865 Records #1 Holders Family filter On/Off 1 María Concepción de la Viesca y Roiz, 1st marquise of Santa Maria de Silvela * 1865 Corrections and Updates To suggest a correction or an update. Click Here