Dukes of Seo de Urgel Duques de Seo de Urgel Created by Alphonse XIII, King of Spain Decree date 26-10-1891 First holder Ramón Martinez de Campos y Rivera, 1st duke of Seo de Urgel * 1863 Present holder Arsenio Vilallonga y Martínez de Campos, 4th duke of Seo de Urgel * 1948 Records #4 Holders Family filter On/Off 1 Ramón Martinez de Campos y Rivera, 1st duke of Seo de Urgel * 1863 2 Arsenio Martinez de Campos y de la Viesca, 2nd duke of Seo de Urgel * 1889 3 Pilar Martínez de Campos y Rodríguez, 3rd duchess of La Seo d' Urgel * 1919 4 Arsenio Vilallonga y Martínez de Campos, 4th duke of Seo de Urgel * 1948 Corrections and Updates To suggest a correction or an update. Click Here