From Wikimedia; filled in shadows.
Countess Csáky may be wearing the same dress seen in the last image although the pointed end of the bodice in that image is different.
Keywords: 1794, Valburga Csáky, Csáky family, Andrássy family, Countess, Hungarian, curly coiffure, lace headdress, veil, chemise, lace modesty piece-bertha, trapezoidal neckline, laced bodice, vee décolletage, lace bertha, stomacher, elbow length virago sleeves, jeweled arm bands, lace cuffs, basque waistline, full skirt, necklace, earrings, bracelets