Picture: Urheber unbekannt · Public domain · Wikimedia Commons

Herulph

catholic bishop in 8th century

SaintBenedictinesPre-congregation

Feast: 13 August (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)

Born

—

unknown

Died

785

Beatified

—

not needed: before formal processes

Canonised

By tradition

recognised before formal processes began

Who they were

Herulph (†815) (Herulphe, Hariolf, Hariolfus) was a Benedictine of the Abbey of St. Gall who founded Ellwangen Abbey. He is a Catholic saint; his feast day is December 13.

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.

Sources

Wikidata Q5744936 — dates, feast day and identifiers (CC0)
English Wikipedia — Herulph (CC BY-SA)

Not yet written up in full: no Church source with an account of this person has been found yet. The name, dates and step come from Wikidata and are not yet checked against Church records.