William II, Duke of Jülich Duke of Julich (ca. 1327-1393) (1325–1393) Parents Joanna of Hainaut William V, Duke of Jülich Children Reinald IV, Duke of Guelders and Jülich Joanna of Jülich William I of Guelders and Jülich Siblings Gerhard VI of Jülich Richardis of Jülich Johanna von Jülich Philippa von Jülich Isabella von Jülich Partners Maria of Guelders
