People Netherlands Willem Jan Gualtheri peoplepill id: willem-jan-gualtheriWJG 7 views today 7 views this weekLord of the Kleine LaarWillem Jan GualtheriBiographyListsAlso ViewedListsWillem Jan Gualtheri is in following listsBy work and/or countryNotable Dutch NoblesGender:Male, Born in:Years 1700 to 1749From our partnersSponsoredWillem Jan Gualtheri