Picture: Authors of Menologion of Basil II (circa 985 AC, Constantinople), Byzantine manuscript illuminators[1]: Pantoleon with Georgios, Michael the Younger, Michael of · Public domain · Wikimedia Commons
Gemellus of Ancyra
Christian martyr and saint
SaintResearchedPre-congregation
Feast: 10 December (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
362
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Ankara in Galatia, in present-day Turkey, Saint Gemellus, martyr.
The miracles
There was never a formal cause: he has been honoured as a saint since before the Church's formal processes began.
Why that counted as sanctity
The Roman Martyrology remembers him on 10 December as a martyr at Ankara.
Sources
- Roman Martyrology, 10 December (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q5530604 — dates, feast day and identifiers (CC0)
- English Wikipedia — Gemellus of Ancyra (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.