Duchess Barbara of Saxe-Wittenberg

Links:

• The Peerage
• Geneall
• https://it.wikipedia.org/wiki/Barbara_di_Sassonia-Wittenberg
• https://gw.geneanet.org/comrade28?lang=en&n=saxe+wittenberg&oc=0&p=...
• https://www.findagrave.com/memorial/149864913/barbara-von_sachsen-w...

From Find a Grave:

Nobility. Born the youngest daughter of Rudolf III and Barbara of Liegnitz. She married Johann von Brandenburg in 1416 and bore him four children. After his death she retired to Bayreuth. She was the first noble to be buried in this church, 155 years before the vault was established as burial place for the Margraves.

Buried: Stadtkirche Bayreuth Bayreuth, Stadtkreis Bayreuth, Bavaria (Bayern), Germany