Princess Sophie Amalie of Nassau-Siegen (10 January 1650<sup>Jul.</sup> â 15/25 November 1688), , official titles: Prinzessin von Nassau, Gräfin zu Katzenelnbogen, Vianden, Diez, Limburg und Bronkhorst, Frau zu Beilstein, Stirum, Wisch, Borculo, Lichtenvoorde und Wildenborch, Erbbannerfrau des Herzogtums Geldern und der Grafschaft Zutphen, was a countess from the House of Nassau-Siegen, a cadet branch of the Ottonian Line of the House of Nassau. In 1664, she was elevated to the rank and title of princess. By marriage she became Duchess Consort of Courland.
Sophie Amalie was born at in Terborg on 10 January 1650<sup>Jul.</sup> as the second daughter and third child of Count Henry of Nassau-Siegen and his wife Countess Mary Magdalene of Limburg-Stirum. Sophie Amalie was named after her godmother, the Danish-Norwegian Queen Sophie Amalie. In October and November 1652 she first lost her eldest sister Ernestine and then her father Henry. After the death of the father, Sophie Amalie's brothers William Maurice and Frederick Henry were adopted by their uncle Fürst John Maurice of Nassau-Siegen. Together with Sophie Amalie, both brothers were elevated into the Reichsfürstenstand on 6 May 1664.
Sophie Amalie married in The Hague on 5 October 1675<sup>Greg.</sup> to Hereditary Prince Frederick Casimir of Courland (6 July 1650 â 22 January 1698). In 1682, after the death of her father-in-law, Sophie Amalie became Duchess Consort of Courland.
Sophia Amalia died in childbirth in Mitau on 15/25 November 1688 and was buried in the Reformed Church in Mitau on 16/26 December.
From the marriage of Sophie Amalie and Frederick Casimir the following children were born:
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