¿Quién se casó con Fredericka Elisabeth of Saxe-Eisenach?

Fredericka Elisabeth of Saxe-Eisenach (5 May 1669 – 12 November 1730), was a German noblewoman member of the House of Wettin and by marriage Duchess of Saxe-Weissenfels.

Born in Altenkirchen, she was the seventh of eight children born from the marriage of John George I, Duke of Saxe-Eisenach and Johannetta, Countess of Sayn-Wittgenstein-Sayn-Altenkirchen. From her seven older and younger siblings four survive adulthood: Eleonore Erdmuthe Luise (by her two marriages Margravine of Brandenburg-Ansbach and Electress of Saxony), Frederick August, Hereditary Prince of Saxe-Eisenach, John George II, Duke of Saxe-Eisenach and John William, Duke of Saxe-Eisenach.

Juan Jorge, duque de Sajonia-Weissenfels (Halle, 13 de julio de 1677 - Weissenfels, 16 de marzo de 1712) fue un duque de Sajonia-Weissenfels-Querfurt y miembro de la Casa de Wettin.

Era el tercer hijo y el primero de los supervivientes de Juan Adolfo I, duque de Sajonia-Weissenfels, de su primera esposa, Juana Magdalena de Sajonia-Altenburgo.