From Wikimedia; spots removed throughout image and ridge-like flaws removed, especially in the lower right, with Photoshop by gogm.
Luisa Carlota wears a knotted coiffure with hurluberlu sides above a dress with wide waist band and pleated bodice in 1830 style in this de la Cruz y Rios portrait.
Keywords: 1830, de la Cruz y Rios, Infanta Luisa Carlota, Borbone family, Borbón family, Princess, Spanish, knotted coiffure, hurluberlu coiffure, off shoulder bateau neckline, bertha, lace, quarter length puffed sleeves, waist band, natural waistline, full skirt, necklace, bracelets