Quem se casou com Sophie Polyxena Gräfin zu Sayn-Wittgenstein-Hohenstein?

Prince Frederick William II of Nassau-Siegen (11 November 1706 – 2 March 1734), German: Friedrich Wilhelm II. Fürst von Nassau-Siegen, official titles: Fürst zu Nassau, Graf zu Katzenelnbogen, Vianden, Diez, Limburg und Bronkhorst, Herr zu Beilstein, Stirum, Wisch, Borculo, Lichtenvoorde und Wildenborch, Erbbannerherr des Herzogtums Geldern und der Grafschaft Zutphen, was since 1722 Fürst of Nassau-Siegen, a part of the County of Nassau. He descended from the House of Nassau-Siegen, a cadet branch of the Ottonian Line of the House of Nassau. He was the last male representative of his lineage, with him the Protestant line of the House of Nassau-Siegen became extinct.