Orthodox Saints of the Pre-Schism See of Rome
ANSEGISUS, St. Ansegisus received monastic tonsure at the Abbey of St. Peter / abbaye Saint-Pierre (later the Abbey of St. Wandrille / abbaye Saint-Wandrille) in Fontenelle, Normandy (northern France) at the age of eighteen. He was later entrusted by Charlemagne, King of the Franks (r. 768–814) and Louis the Pious, King of the Franks (r. 814–840) with the reform and restoration of several abbeys including the Abbey of SS. Peter and Paul of Luxeuil (abbaye Saint-Pierre et Saint-Paul de Luxeuil) in Burgundy (east-central France) and Saint-Germer-de-Fly (Picardy, northern France). St. Ansegisus later served as Abbot of Fontenelle. He reposed circa 833.
AURELIUS of CARTHAGE, a Bishop of Carthage (a present-day suburb of Tunis, Tunisia), and colleague of St. Augustine of Hippo (28th August). He was one of the first prelates to condemn the heresy of Pelagianism. St. Aurelius reposed in 429.
EALHSWITH (ELSWITH), the wife of St. Alfred the Great, King of Wessex (r. 871–886) and King of the Anglo-Saxons (r. 886–899) (26th October); with whom she had several children. Their youngest daughter, Æthelgifu, became a nun and later Abbess of Shaftesbury (Dorset, England) which had been founded by King St. Alfred. Following the repose of her husband, St. Ealhswith received monastic tonsure at the Abbey of St. Mary (Nunnaminster) in Winchester, also founded by King Alfred the Great. There she lived in great piety until her repose in 903. St. Ealhswith was buried alongside her husband in the newly founded New Minster at Winchester.
PAUL of ST. ZOILUS, a deacon-monk at the monastery of St. Zoilus in Córdoba (southern Spain) who devoted himself, and ultimately, his life, to ministering to Christians imprisoned by the Moors. In 851, St. Paul was beheaded by the Moorish authorities for his work. His relics were enshrined in the church of St. Zoilus.
RHETICUS (RHETICIUS, RHÉTICE) of AUTUN, the first recorded Bishop of Autun (Saône-et-Loire, France). St. Rheticus served from circa 310 until his repose in 334. His feast is listed almost equally as 15th May or 20th July, depending upon the source.
SEVERA of OEHREN, an Abbess of the Abbey of St. Irminen near Trier in the present-day German state of Rhineland-Palatinate, who reposed circa 750.
SEVERA of SAINT GEMMA, the sister of St. Modoald of Trier (12th May), Bishop of Trier in the present-day German state of Rhineland-Palatinate. St. Severa was the first Abbess of the Abbey of St. Gemma in Villeneuve (south-eastern France). She reposed circa 680.
WULMAR (ULMAR, ULMER, VILMARUS, VOLMAR), a Frankish noble who received monastic tonsure and founded a monastery, later called the Abbey of Saint-Wulmer (abbaye Saint-Wulmer de Samer), at present-day Samer, Pas-de-Calais, France. St. Wulmar reposed in 689.
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.