Hendrik Gerard Johan Maas Geesteranus military officer (1837-1894) (1837–1894) Parents Jkvr. Catherine Anne Caan Adriaan Jan Cornelis Maas Geesteranus Children Hendrik Gerard Johan Maas Geesteranus Arnoldus Maas Geesteranus Siblings Adriaan Anne Maas Geesteranus Pieter George Maas Geesteranus