According to her terse Wikipedia article, she was the mother of King Frederick VII of Denmark. She had an affair, was divorced, banished, and later left Denmark and converted to the Catholic faith.
From Wikimedia.
Charlotte Friederike's dress does not have a separate bodice in this 1804 Wagener portrait.
Keywords: 1804, Wagener, Charlotte Friederike of Mecklenburg-Strelitz, Mecklenburg-Strelitz family, Oldenburg family, curly coiffure, head band, square neckline, quarter length tight sleeves, waist band, Empire waistline, close skirt