No likeness on file
Dyfodwg
6th-century Welsh saint
SaintWalesDate unknown
Feast: 25 June (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
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unknown
Died
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unknown
Beatified
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not on record
Canonised
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not on record
Who they were
Dyfodwg, or Tyfodwg, was a 6th-century Welsh saint. He is one of the three saints (with Illtyd and Gwynno) from whom the ancient parish of Llantrisant takes its name, and possibly the patron (believed to have been Tyfodwg son of Gwilfyw) of the parish church of Llandyfodwg in Glynogwr, between Blackmill and Gilfach Goch in Bridgend, and gave his name to the ancient parish of Ystradyfodwg.
Summary from Wikipedia (CC BY-SA 4.0), until this page is written up in full.
The miracles
Limited information available on this saint.
Why that counted as sanctity
Limited information available on this saint.