https://useum.art/en/federico-de-madrazo/francisca-de-sales-portocarrero-duquesa-de-alba-ix-condesa-de-montijo2026-10-23https://useum.art/artistes/federico-de-madrazo/grand/federico-de-madrazo-francisca-de-sales-portocarrero-duchesse-d-albe-ixe-comtesse-de-montijo-1855.webp?v=387444d3Francisca de Sales Portocarrero, Duchess of Alba, 9th Countess of Montijo, Federico de Madrazo (1855)Francisca de Sales Portocarrero, Duchess of Alba, 9th Countess of Montijo, Federico de Madrazo (1855). Oil on canvas. Collection: Casa de Alba Foundation. Public domain. https://useum.art/en/federico-de-madrazo/eugenia-de-guzman-condesa-de-teba2026-10-23https://useum.art/artistes/federico-de-madrazo/grand/federico-de-madrazo-eugenie-de-guzman-comtesse-de-teba-1849.webp?v=210b122e&r=5-5-3.2-3.3Eugenia de Guzmán, Countess of Teba, Federico de Madrazo (1849)Eugenia de Guzmán, Countess of Teba, Federico de Madrazo (1849). Oil on canvas. Collection: Casa de Alba Foundation. Public domain. https://useum.art/en/federico-de-madrazo/cuadro-historico-auxilio-a-unos-apestados2026-10-23https://useum.art/artistes/federico-de-madrazo/grand/federico-de-madrazo-historical-painting-aid-to-the-plague-stricken-1840.webp?v=d571d5a8Historical Painting: Aid to the Plague-Stricken, Federico de Madrazo (1840)Historical Painting: Aid to the Plague-Stricken, Federico de Madrazo (1840). Oil on wood panel. Collection: National Museum of Fine Arts, Buenos Aires. Public domain.