Sibylle of Jülich-Cleves-Berg Duchess of Jülich-Cleves-Berg by birth and by marriage Margravine of Burgau (1557-1628) (1557–1627) Parents Archduchess Maria of Austria William, Duke of Jülich-Cleves-Berg Children Siblings Magdalene of Jülich-Cleves-Berg Charles Frederick of Jülich-Cleves-Berg John William, Duke of Jülich-Cleves-Berg Marie Eleonore of Cleves Anna of Cleves Elisabeth von der Mark-Kleve Partners Charles, Margrave of Burgau
