Marquesses of Mulhacén Marqueses de Mulhacén Created by Maria Christina,Archduchess of Austria Decree date 04-01-1889 Decree date 11-06-1889 First holder Carlos Ibañez e Ibañez de Ibero, 1st marquess of Mulhacén Records #2 Holders Family filter On/Off 1 Carlos Ibañez e Ibañez de Ibero, 1st marquess of Mulhacén Alberto Louis Henri Dupont-Willemin, marquess of Mulhacén * 1934 Corrections and Updates To suggest a correction or an update. Click Here