Jeremi Michał Korybut Wiśniowiecki was born in 1612 ; neither the exact date nor the place of his birth are known . His father , Michał Wiśniowiecki , of the Lithuanian @-@ Ruthenian Wiśniowiecki family , died soon after Jeremi 's birth , in 1616 . His mother , Regina Mohyła ( Raina Mohylanka ) was a Moldavian @-@ born noble woman of the Movilești family , daughter of the Moldavian Prince Ieremia Movilă , Jeremy 's namesake ; she died in 1619 . Both of his parents were of the Eastern Orthodox Church rite ; Jeremy 's uncle was the influential Orthodox theologian Peter Mogila , and his great @-@ uncle was George Mogila , the Metropolitan of Moldavia .