People Germany Leonard Jansen peoplepill id: leonard-jansenLJ 7 views today 13 views this weekLeonard JansenBiographyListsAlso ViewedListsLeonard Jansen is in following listsBy work and/or countryNotable German peopleGender:Male, Born in:Years 1850 to 1899Notable Belgian peopleGender:Male, Born in:Years 1850 to 1899From our partnersSponsoredLeonard Jansen