Bernhard II, Duke of Saxe-Jena, was duke of Saxe-Jena.
He was the seventh child but fourth surviving son of Wilhelm, Duke of Saxe-Weimar and Eleonore Dorothea of Anhalt-Dessau.
Bernhard attended the University of Jena from February 1654 until... Wikipedia
Born: October 14, 1638, Weimar, Germany
Died: May 3, 1678 (age 39 years), Jena, Germany
Great-grandparents: Johann Wilhelm, Duke of Saxe-Weimar, Joachim Ernest, Prince of Anhalt, Dorothea Susanne of Simmern, and more
Partner: Marie Charlotte de La Trémoille (1662–)