The Getty Museum has this in their notes for this portrait, "Thérèse -Stephanie-Sophie Feuillant (1836-1912) was from a wealthy bourgeois family. She inherited a fortune from her father and in 1860 she married Réne de Cassagnes de Beaufort, Marquis de Miramon. She stands in the Château de Paulhac, Auvergne, her husband's family seat."
Upgrade image from the lost gallery’s photostream on flickr posted 10 September 2016; image made lighter by gogm. Numerous spots and flaws removed with Photoshop.