The name Marguerite d’Orléans leads two ways in the 19th century - Marguerite, Duchess of Magenta, and Marguerite Adélaïde (seen here). Marguerite Adélaïde’s Wikipedia article is here.
From Wikimedia; removed spots in backgrounf with Photoshop, removed monocolor tint, and enlarged image by half. Also posted to the “Early” “Victorian” Album here.
The half cone crinoline and probable natural waistline date this unflattering photo of Princess Marguerite Adélaïde to the later 1860s.
Keywords: Angerer, Princess Marguerite Adélaïde Marie of Orléans, Małgorzata Adelajda Czartoryska, Orléans family, Czartoryski family, Princess, Polish, wavy coiffure, feathered hat, veil, earrings, chemisette, high neckline, collar, necklace, crucifix, long under-sleeves, fitted bodice, long close over-sleeves, buttons, natural waistline, crinoline, fan