Background
Her mother was the daughter of Ferdinand I, Holy Roman Emperor and Anna of Bohemia and Hungary.
Her mother was the daughter of Ferdinand I, Holy Roman Emperor and Anna of Bohemia and Hungary.
She was the eldest child of William, Duke of Jülich-Cleves-Berg and Maria of Austria. Her brother was John William, Duke of Jülich-Cleves-Berg. Her paternal aunts were Anne of Cleves, who was the fourth wife of Henry VIII of England, and Sybille of Cleves, who married John Frederick I, Elector of Saxony.
