- Jeong Guk-Bo
- Protasio Chong Kuk-bo
Married layman in the apostolic vicariate of Korea. At one point he abandoned Christianity, but recovered his faith, was imprisoned, tortured and eventually executed for refusing to renounce it again. Martyr.
- “Saint Protasius Chong Kuk-bo“. CatholicSaints.Info. 14 May 2015. Web. 25 April 2017. <>