Sibylle of Cleves

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Sibylle of Cleves
Sibylle of Cleves at the time of her betrothal to Electoral Prince John Frederick, by Lucas Cranach the Elder, 1526.
Electress consort of Saxony
Tenure	16 August 1532–4 June 1547
Born	17 January 1512 Düsseldorf
Died	21 February 1554(1554-02-21) (aged 42) Weimar
Burial	St. Peter und Paul, Weimar
Spouse	John Frederick I, Elector of Saxony
Issue Among others	John Frederick II, Duke of Saxony John William, Duke of Saxe-Weimar John Frederick III, Duke of Saxony
House	La Marck
Father	John III, Duke of Cleves
Mother	Maria of Jülich-Berg

Sibylle of Cleves (17 January 1512 – 21 February 1554) was electress consort of Saxony.

Born in Düsseldorf,^[1] 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 (often referred to as Duke of Cleves) who died in 1538, and his wife Maria, Duchess of Julich-Berg (1491–1543). Her younger siblings were two sisters, Anne (later Queen of England) and Amalia, and a brother, William, who became Duke of Jülich-Cleves-Berg.