María Luisa Eugenia Petra de Alcántara Rufina FitzJames-Stuart y Portocarrero-Palafox, 9° Duquesa de Montoro1 
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
Luis María de Constantinopla Fernando Niceto Eufemio Fernández de Córdoba-Figueroa y Pérez de Barrados, 16° Duque de Medinacelli1 
He gained the title of 16° Duque de Medinaceli.
Child of Luis María de Constantinopla Fernando Niceto Eufemio Fernández de Córdoba-Figueroa y Pérez de Barrados, 16° Duque de Medinacelli and Casilda Remigia Andrea María del Rosario Narcisa Salabert y Arteaga 6° Condesa de Ofalia
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
Enrique FitzJames-Stuart y Ventimiglia, Conde de Galve 
He gained the title of Conde de Galve. His last will was dated 7 April 1881.
Adelaide Basilewskya 
Luis Fernando FitzJames-Stuart y Ventimiglia 
María Francisca Fernanda Teresa Anna FitzJames-Stuart y Stolberg-Gedern1 
Child of María Francisca Fernanda Teresa Anna FitzJames-Stuart y Stolberg-Gedern and Agustín Pedro de Silva-Fernández de Hijar y Palafox, 10° Duque de Hijar
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
Pedro de Alcántara FitzJames-Stuart y Colón de Portugal, 6th Marqués de San Leonardo1 
He gained the title of Marques de San Leonardo.
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
Ventura FitzJames-Stuart y Colón de Portugal1 
Child of Ventura FitzJames-Stuart y Colón de Portugal and María Josefa Gagigal y Monserrat
- Mariano Jacobo FitzJames-Stuart y Gagigal b. 8 Sep 1765
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
María Josefa Gagigal y Monserrat1
Child of María Josefa Gagigal y Monserrat and Ventura FitzJames-Stuart y Colón de Portugal
- Mariano Jacobo FitzJames-Stuart y Gagigal1 b. 8 Sep 1765
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
Mariano Jacobo FitzJames-Stuart y Gagigal 
- [S6720] Alex Echaniz, “re: de Rozas Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July2013. Hereinafter cited as “re: de Rozas Family.”
