Julius Röntgen German-Dutch composer (1855-1932) (1855–1932) Parents Pauline Klengel Engelbert Röntgen Children Engelbert Röntgen Edvard Frants Röntgen Julius Röntgen jr. Johannes Röntgen Frants Röntgen Joachim Röntgen Partners Abrahamine des Amorie van der Hoeven Amanda Röntgen-Maier
