She was married to a brutish Prince Friedrich Carl of Prussia, son of Princess Marie of Saxe-Weimar-Eisenach. Her Wikipedia article is here.
Posted to the Alexander Palace Time Machine Discussion Forum by Svetabel on 15 December 2009.
Marie of Anhalt's dress has a double vee waistline and puffed sleeves that look somewhat detached from her bodice.
Keywords: Princess, German, straight coiffure, hat, high neckline, chemisette, buttons, long puffed sleeves, cuffs, double vee waistline, crinoline