Prompt
Generate a realistic image of a medieval nobleman, specifically Valdemar, Duke of Schleswig, in a formal attire, possibly with a ducal hat and regalia, standing in front of a Gothic-style background, reminiscent of Ribe Cathedral, his burial place, in a somber yet majestic style, reflecting his status as a member of the House of Estridsen and Holy Roman Emperor, during the 13th century.