People Belgium Joannes-Baptista Constantin peoplepill id: joannes-baptista-constantinJC 1 views today 16 views this weekJoannes-Baptista ConstantinBiographyListsAlso ViewedListsJoannes-Baptista Constantin is in following listsBy work and/or countryNotable Belgian peopleGender:Male, Born in:Years 1750 to 1799From our partnersSponsoredJoannes-Baptista Constantin