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.
[1][better source needed][2] In Weimar on 14 August 1656, Christine Elisabeth married John Ernest, Hereditary Prince of Saxe-Weimar.
They had five children: After the death of her father-in-law (1662), she became Duchess of Saxe-Weimar.