[1] He was a native of Elío, Navarra, and served as the equerry and royal steward to Queen Mariana de Austria.
[21] Fausto Joaquín was succeeded by his son: He married on May 6, 1796, to María Isabel Jiménez-Navarro y Hurtado de Mendoza (Córdoba, 1778 - Pamplona, May 14, 1843).
[21] Don Francisco was succeeded by his son: He married in 1848, to María Josefa de Magallón y Campuzano (1830 - Pamplona, August 13, 1899).
[23] Elio married on July 26, 1900, in Lezo, to Martina Hermenegilda Doussinague y Casares Tolosa (April 13, 1855 - March 5, 1933).
Without descendants, he was succeeded by his nephew, son of his deceased artillery captain brother during the Cuban Campaign, Ángel de Elío y Magallón (San Sebastián, 1860 - Arroyo Naranjo, Havana, Cuba, November 28, 1896): He married on January 6, 1940, at the Chapel of La Santa Casa de la Misericordia in Pamplona, to María Inés de Gaztelu y Elío (Pamplona, April 15, 1915 - Pamplona, January 12, 2003), II Duchess of Elío, Grandee of Spain, and IV Marquess of La Lealtad.