People Belgium Jean Effront peoplepill id: jean-effrontJE 4 views today 8 views this weekBorn 1850; died 1931Jean EffrontBiographyListsAlso ViewedSimilar peoplePeople also viewedJacques BlockxBelgian chemistLucien Louis de KoninckBelgian chemistWalther SpringBelgian chemistFrom our partnersSponsoredJean Effront