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Protasius Chŏng Kuk-bo
Korean martyr, Catholic saint
SaintResearchedDocumented cause
Feast: 20 September (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
1799
Died
1839
Beatified
5 July 1925
unverified
Canonised
6 May 1984
unverified
Who they were
At Seoul in Korea, Saint Protasius Chŏng Kuk-bo, martyr, who, having at first abandoned the Christian faith, recovered it again, professing it in prison amid torments until death.
The miracles
The Roman Martyrology does not describe the miracles approved in the cause.
Why that counted as sanctity
The Roman Martyrology remembers him on 20 May as a Korean martyr who returned to the faith after abandoning it and professed it in prison until death.
Connected on this site
- The Korean Martyrs Saint honoured together
Sources
- Roman Martyrology, 20 May (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q11827906 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.