- Ivan Slezyuk
- John Sleziuk
Greek Catholic. Ordained in 1923. Co-adjutor bishop in April 1945. Arrested for his faith on 2 June 1945, and sentenced to ten years in the forced labour camps in Vorkuta, Russia; transferred in 1950 to Mordovia, Russia. Released on 15 November 1954, and returned to Ivano-Frankivsk, Ukraine. Arrested again for his faith in 1962; sentenced to five years in the forced labour camps. Released on 30 November 1968. Routinely and repeatedly interrogated by the KGB until his death.
- “Blessed Ivan Sleziuk“. CatholicSaints.Info. 13 November 2016. Web. 16 January 2017. <>