Who married Elisabeth of Saxony?

Elisabeth of Saxony (18 October 1552, at Wolkenstein Castle in Wolkenstein – 2 April 1590, in Heidelberg) was a Saxon princess, and Countess Palatine of Simmern by marriage to John Casimir of the Palatinate-Simmern.

John Casimir, Count Palatine of Simmern (German: Johann Casimir von Pfalz-Simmern) (7 March 1543 – 16 January [O.S. 6 January] 1592) was a German prince and a younger son of Frederick III, Elector Palatine. A firm Calvinist, he was a leader of mercenary troops in the religious wars of the time, including the Dutch Revolt. From 1583 to 1592, he acted as regent for his nephew, Elector Palatine Frederick IV.