About Princess Sophie Friederike of Thurn and Taxis
Princess Sophie Friederike Dorothea Henriette of Thurn and Taxis, full German name: Sophie Friederike Dorothea Henriette, Prinzessin von Thurn und Taxis (20 July 1758 – 31 May 1800) was a member of the House of Thurn and Taxis and a Princess of Thurn and Taxis by birth and a member of the House of Radziwill and Princess Radziwill through her marriage to Prince Hieronim Wincenty Radziwill.
Sophie Friederike was briefly a member of the Kazanowski and OstrorĂ³g Polish noble families through subsequent marriages.