People Poland Gwidon Marceli Siedliski peoplepill id: gwidon-marceli-siedliskiGMS 6 views today 6 views this weekGwidon Marceli SiedliskiBiographyListsAlso ViewedListsGwidon Marceli Siedliski is in following listsBy work and/or countryNotable Polish peopleGender:MaleFrom our partnersSponsoredGwidon Marceli Siedliski