Orthodox Saints of the Pre-Schism See of Rome
ASPREN (ASPRONAS) of NAPLES, (First Century), according to tradition St. Aspren was consecrated the first Bishop of Naples (southern Italy) by the Apostle Peter (29th June).
BENNO of METZ, a member of a noble Swabian family. Following a brief tenure as Canon of Strasbourg (north-eastern France), St. Benno resigned his position and went to Switzerland to live as a hermit. After a number of disciples gathered around him, St. Benno founded what grew into the Einsiedeln Abbey (Kloster Einsiedeln). St. Benno was appointed in 927 to the See of Metz (north-eastern France) by Henry I the Fowler, King of East Francia (r. 919–936), however a combination of local politics and the zeal with which he worked to end ecclesiastical abuses led the populous to revolt. In 929 a mob attacked St. Benno, leaving him blind and then drove him from the city. St. Benno returned to Einsiedeln where he remained until his repose eleven years later.
EUPHRONIUS of AUTUN, the ninth Bishop of Autun, Burgundy (France), and a friend of St. Lupus of Troyes (29th July). St. Euphronius founded of the first monastery in that See. St. Euphronius reposed circa 475.
GREGORY of NONANTOLA, an Abbot of the Abbey of Nonantola (abbazia di Nonantola), near Modena in present-day Italy. St. Gregory reposed in 933.
SENACH (SNACH) of CLONARD, (Sixth Century), St. Senach was a disciple of St. Finian of Clonard (12th December) and his successor as Abbot-Bishop of the See and great abbey of Clonard in Co. Meath, Ireland.
TREA of ARDTREE, (Fifth Century), after being converted to Christianity by St. Patrick of Ireland (17th March), St. Trea embraced eremitical life and spent the rest of her days as an anchoress at Ardtree, Co. Derry, Ireland.
Prior to the Schism the Patriarchate of Rome was Orthodox, and fully in communion with the Orthodox Church. As Saint John of Shanghai and San Francisco +1966 said “The West was Orthodox for a thousand years, and her venerable Liturgy is far older than any of her heresies”.
In many cases there are several spelling versions of the names of saints from the British Isles. I use the Oxford Dictionary of National Biography version as the primary version with the more prevalent version in parenthesis e.g. Ceadda (Chad) of Lichfield.