People Germany Johann Jacob Kasimir Leonhardi peoplepill id: johann-jacob-kasimir-leonhardiJJKL 6 views today 15 views this weekHandelaarJohann Jacob Kasimir LeonhardiBiographyListsAlso ViewedListsJohann Jacob Kasimir Leonhardi is in following listsBy field of workNotable German businesspeopleGender:Male, Born in:Years 1700 to 1749By work and/or countryNotable German MerchantsGender:Male, Born in:Years 1700 to 1749From our partnersSponsoredJohann Jacob Kasimir Leonhardi