Hernando Fitz-James Stuart, 18th Duke of Peñaranda

[1] He was born in Madrid, the younger son of the 16th Duke of Alba and his wife, María del Rosario Falcó, 21st Countess of Siruela.

On his father's death on 13 October 1901, he became the 18th Duke of Peñaranda (and a grandee of Spain), 13th Marquess of Valderrabano and 11th Count of Montijo (also with the Grandeeship attached).

His elder brother Jacobo inherited the majority of the family titles, including the Dukedom of Alba.

At the 1920 Summer Olympics he and his brother were on the Spanish polo team, winning the silver medal.

The Duke of Peñaranda died in the massacre of Paracuellos in November 1936, during the Spanish Civil War, and was succeeded in his titles by his only son.