Her genealogical article is here.
From pinterest.com/svetaspv/люди/; enlarged by half. Also posted to the "Early” “Victorian” - 1837 to 1869 Album here.
Sophie Eugenie’s dress has a complex over-skirt that appears to arc over the under-skirt and also has a bustle pad.
Keywords: 1844, Sohn, Sophie Eugenie Lutteroth, Sophie Eugenie Mumm von Schwarzenstein, Freifrau von Mumm, Lutteroth family, Mumm von Schwarzenstein family, Baroness, German, straight coiffure, necklace, chemise, modesty piece, off shoulder vee neckline, fitted bodice, lace bertha, floral bodice ornament, elbow length close sleeves, lace engageantes, bracelets, full under-skirt