St. Gaudentius of Brescia (died 410), bishop of Brescia, defender of John Chrysostom
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Flavius Gaudentius (died 432), the father of the Roman magister militum Flavius Aëtius
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Radim Gaudentius (970- 106/1020), a member of Slavnik's dynasty, was the first archbishop of Gniezno from 1000 until 1006/1020.
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St. Gaudentius of Novara (5th century), to whom the Basilica of San Gaudenzio is dedicated.
The first known Bishop of Squillace is Gaudentius (465); Zachæus accompanied Pope Vigilius to Constantinople (551); John, previously Bishop of Lissa, in Dalmatia, having been driven out by the barbarians, was transferred to Squillace by Gregory the Great.
At that time the Passionist was giving a parish mission at St Chad’s in Cheetham Hill, Manchester and it was there that Father Gaudentius advised Elizabeth to make her home, teaching in the parish school.
Gaudentius of Ossero (Gaudentius Auxerensis) was a bishop of Ossero (Croatian: Osor), on the island of Lošinj in the Istrian March in 1030.
He was born to Roman parents, Gaudentius and Austadiola, at Eposium (present Carignan).