Bishop Niemiec was born in the Roman-Catholic family of Jan and Maria (née Oparowska) Niemiec in the Eastern Poland. After graduation of the school and lyceum education, he subsequently joined the High Pedagogical School in Rzeszów (1977–1982) and after – the Major Theological Seminary in Przemyśl (1982–1987).[1] He was ordained as priest on 24 June 1987,[2] after he completed his philosophical and theological study.
^ abc"Ян Нємєц". Official Website of the Diocese of Kamyanets-Podilskyi (in Ukrainian). Archived from the original on 2016-04-26. Retrieved 5 December 2017.