Who married Princess Christine Elisabeth of Schleswig-Holstein-Sonderburg?

Princess Christine Elisabeth of Schleswig-Holstein-Sonderburg (23 June 1638 – 7 June 1679), was a German noblewoman member of the House of Oldenburg and by marriage Duchess of Saxe-Weimar.

Born in Sonderburg, she was the second of the four children born from the marriage of John Christian, Duke of Schleswig-Holstein-Sonderburg, and Countess Anna of Oldenburg-Delmenhorst. From her three older and younger siblings, two survive adulthood: Dorothea Auguste (by marriage Landgravine of Hesse-Darmstadt) and Christian Adolph, Duke of Schleswig-Holstein-Sonderburg.

John Ernest II (11 September 1627, in Weimar – 15 May 1683, in Weimar), was a duke of Saxe-Weimar. He was the second but eldest surviving son of William, Duke of Saxe-Weimar, and Eleonore Dorothea of Anhalt-Dessau.