People Poland Stefan Siekierski peoplepill id: stefan-siekierskiSS 3 views today 4 views this weekStefan SiekierskiBiographyListsAlso ViewedListsStefan Siekierski is in following listsBy work and/or countryNotable Polish peopleGender:Male, Born in:Years 1900 to 1929By politicsPolish United Workers' PartyFrom our partnersSponsoredStefan Siekierski
