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In page Princess Sophie Friederike of Thurn and Taxis:

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Princess Sophie Friederike Dorothea Henriette of Thurn and Taxis,[citation needed] (20 July 1758 – 31 May 1800[citation needed]) was a member of the House of Thurn and Taxis and a Princess of Thurn and Taxis by birth. She was also a member of the House of Radziwiłł and Princess Radziwiłł through her marriage to Prince Hieronim Wincenty Radziwiłł.[citation needed] Sophie Friederike was briefly a member of the Kazanowski and Ostroróg Polish noble families through subsequent marriages.[citation needed] She was known as "the Jewel of Regensburg."[citation needed]