Maria of Guelders Duchess of Jülich (d. 1397) (1329–1405) Parents Sophie Berthout Reginald II, Duke of Guelders Children Reinald IV, Duke of Guelders and Jülich William I of Guelders and Jülich Joanna of Jülich Siblings Mechtild of Guelders Elisabeth van Gelre Edward, Duke of Guelders Reginald III, Duke of Guelders Margaretha van Gelre Partners William II, Duke of Jülich
