People Netherlands Jacobus Klaas Hammer peoplepill id: jacobus-klaas-hammerJKH 6 views today 6 views this weekDutch scouting leader and esperantistJacobus Klaas HammerBiographyGallery (2)ListsAlso ViewedListsJacobus Klaas Hammer is in following listsBy field of workNotable Dutch people in literatureGender:Male, Born in:Years 1900 to 1929By work and/or countryNotable Dutch EsperantistsGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredJacobus Klaas Hammer
