Viscounts of Sierra Viscondes de Sierra First holder Melchor de Avellaneda Sandoval y Ramiro, 2nd marquess of Torre Mayor * 1653 Records #1 Holders Family filter On/Off 1 Melchor de Avellaneda Sandoval y Ramiro, 2nd marquess of Torre Mayor * 1653 Corrections and Updates To suggest a correction or an update. Click Here