Sibylle of Cleves
Member of the House of La Marck
Sibylle of Cleves was electress consort of Saxony.
Born in Düsseldorf, she was the eldest daughter of John III of the House of La Marck, Duke of Jülich jure uxoris, Cleves, Berg jure uxoris, Count of ... Wikipedia
Born: January 17, 1512, Düsseldorf, Germany
Died: February 21, 1554 (age 42 years), Weimar, Germany
Spouse: John Frederick I (m. 1526)
Parents: John III, Duke of Cleves and Maria of Jülich-Berg
Siblings: Anne of Cleves