People Poland Gwidon Marceli Siedliski peoplepill id: gwidon-marceli-siedliskiGMS 8 views today 8 views this weekGwidon Marceli SiedliskiBiographyListsAlso ViewedListsGwidon Marceli Siedliski is in following listsBy work and/or countryNotable Polish peopleGender:MaleFrom our partnersSponsoredGwidon Marceli Siedliski