Ramba uchinyora ndima iyi - Nhaurirano dzokutanga dzeSejm pamusoro pechinzwano muna Ndira 1569, pedyo neguta rePoland reLublin, dzakanga dzisingabatsiri. Kodzero yevaPoland yokugara uye kuva nenyika muGrand Duchy yakabvunzwa nenhume dzeLithuania. Kutevera kubuda kwaMikołaj Radziwiłł kubva kuLublin musi wa1 Kurume 1569, Sigismund akazivisa kubatanidzwa kweLithuanian Podlachia, Volhynia, Podolia neKiev mapurovhinzi muPoland, nekubvumidzwa kwakasimba kubva kunzvimbo yeRuthenian (Ukraine). Idzi nharaunda dzenhau, idzo dzaichimbova dzeKievan Rus', dzaipokanwa pakati peLithuania neRussia. Zvisinei, vakuru vakuru vokuRuthenian vaida chaizvo kushandisa zvakanaka mikana yezvematongerwe enyika kana kuti yezveupfumi yaiwanika munharaunda yePoland uye vakabvuma zvavakanga varonga. Pakutanga, Humambo hweRuthenia kana "Ukraine" hwakaparadzwa muna 1349, mushure mekunge Poland neLithuania vaparadzanisa Ukraine yemazuva ano mushure meHondo dzeGalicia-Volhynia
. Zvino, pasi peUnion yeLublin, nzvimbo dzose dzeUkraine neRuthenian dzaiva dzokumwe mutsika, tsika, rudzidziso uye mutauro kuvanhu vePoland dzaizobatanidzwa nePoland yeKaturike. Kurerekera kumadokero kwakasimba nePolonization zvaizotevera, kubatanidza kudzvinyirirwa kwakavanzika kweChechi yeEastern Orthodox yeUkraine namambo womunguva yemberi Sigismund III. Ruthenia yakaramba iri pasi pehutongi hwePoland kusvikira pakamuka mhirizhonga yeCossack ichirwisa kutonga kwePoland uye Kupatsanurwa kwePoland, apo Ukraine yakabatanidzwa neHumambo hweRussia.