Sophie of Saxe-Lauenburg Regent of Jülich and Berg (1444-1473) (1444–1473) Parents Adelheid of Pomerania Bernard II, Duke of Saxe-Lauenburg Children Gerhard von Jülich William III, Duke of Jülich-Berg Anne von Jülich Adolf von Jülich Siblings John V, Duke of Saxe-Lauenburg Partners Gerhard VII, Duke of Jülich-Berg