Sibylle of Cleves
…Sibylle of Cleves (17 January 1512 – 21 February 1554) 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 Mark, also known as de la Marck and Ravensberg jure uxoris…