The sitters were the sons of Don Juan III, Infante of Spain who was a grand-son of King Charles IV of Spain and nephew of King Ferdinand VII. Don Carlos VII (1848-1909), Infante of Spain, Duke of Madrid, married successively the Infanta Marguerita of Bourbon-Parma in 1867, and Marie-Berthe, princess of Rohan, in 1894. His younger brother Don Alfonso, Duke of San Jaime, was born in 1849, and married Maria de las Nieves of Braganza, Infanta of Portugal, in 1871.