lundi 28 mars 2016

Saint SIXTE III, Pape

Papa Sisto III


Saint Sixte III

Pape (44 ème) de 432 à 440 (+ 440)

Il fut un ardent défenseur du concile d'Ephèse qui avait reconnu à la Vierge Marie le titre de "Mère de Dieu". Il fit rebâtir la basilique de Sainte-Marie Majeure à Rome, l'embellissant de mosaïques remarquables. Il accomplit également une œuvre d'apaisement entre l'Église de Rome et les Églises d'Orient. Nous connaissons sa correspondance avec saint Augustin qui l'invite à une grande vigilance contre les pélagiens.

À Rome sur la voie Tiburtine, près de saint Laurent, en 440, saint Sixte III, pape, qui apaisa les dissensions entre le patriarcat d’Antioche et celui d’Alexandrie et donna au peuple de Dieu, dans la ville de Rome, la basilique de Sainte-Marie sur l’Esquilin.

Martyrologe romain

SOURCE : http://nominis.cef.fr/contenus/saint/1699/Saint-Sixte-III.html

Saint Sixte III (432-440)

Il naquit à Rome.

Amateur d'art, il embellit la basilique de Sainte-Marie-Majeur, la dotant de mosaïques qui sont, encore de nos jours, admirés par tous.

Il fit construire aussi l'église de Saint-Laurent, à Lucina.

SOURCE : http://eglise.de.dieu.free.fr/liste_des_papes_03.htm

Saint Sixte III 

Né à Rome vers l’an 390, il semble qu’il fut un temps dans sa jeunesse tenté par les thèses de Pélage, mais il abandonna rapidement ses errements dogmatiques, après des échanges épistolaires avec saint Augustin. Il entra dans le clergé et fut nommé cardinal par le pape saint Zozime. Proche conseiller des papes suivants, saint Boniface Ier et saint Célestin Ier, aimé du peuple romain, il fut lui-même élu pape le 31 juillet 432, devenant ainsi le 44e chef de l’Eglise.

Il lutta contre les hérésies, notamment contre le pélagianisme et le nestorianisme, cette dernière étant condamnée par le concile d’Ephèse en 431, dont il approuva les actes. Depuis lors, l’Eglise donne à la Vierge Marie le titre de Theotokos (« qui a enfanté Dieu » en grec). Il parvint à réconcilier les patriarches orientaux saint Cyrille d’Alexandrie et Jean Ier d’Antioche, en faisant admettre à ce dernier la véracité des décisions d’Ephèse.

Soucieux de l’autorité romaine et bon diplomate, Sixte III parvint à apaiser les relations entre l’Occident et l’Orient, auquel il fit admettre la primauté du siège romain. Il intervint aussi dans la nomination de plusieurs évêques, aussi bien en Occident qu’en Orient. Bâtisseur, il fit notamment restaurer Sainte-Marie-Majeure. Il mourut à Rome le 19 août 440.

SOURCE : https://reinformation.tv/28-mars-sixte-iii-calendrier/

Papa Sisto III

Sixte III, 44e pape de l'Église catholique (31 juillet 432-19 août 440), médaillon de la frise des papes à la basilique Saint-Paul-hors-les-Murs  La mosaïque fait partie de la série de médaillons voulue par Grégoire XVI destinée à remplacer ceux de l'ancienne basilique après l'incendie de 1823.

Portait of en:Pope Sixtus III in the en:Basilica of Saint Paul Outside the Walls, Rome

Maestranze romane, Ritratto di papa Sisto III (1850 ca.), mosaico; RomaBasilica di San Paolo fuori le Mura

Medaillon, um 1848, in der Kirche San Paolo fuori le Mura in Rom


Pope Saint Sixtus III

Also known as

Sisto III

Xystus III

Memorial

19 August

28 March on some calendars

Profile

Chosen 44th pope in 432. Approved the results of the Council of Ephesus. Corresponded extensively with Saint Augustine of Hippo. Fought Nestorianism and Pelagianism. Restored several Roman basilicas including Saint Peter’s and Saint John Lateran. Defended the supremacy of the pope over local bishops, and over Illyria which the emperor wanted to transfer to the control of Constantinople.

Born

at RomeItaly

Papal Ascension

31 July 432

Died

18 August 440 in RomeItaly of natural causes

Canonized

Pre-Congregation

Additional Information

Book of Saints, by the Monks of Ramsgate

Catholic Encyclopedia

Lives of the Saints, by Father Alban Butler

New Catholic Dictionary

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MLA Citation

‘Pope Saint Sixtus III‘. CatholicSaints.Info. 17 September 2023. Web. 29 May 2026. <https://catholicsaints.info/pope-saint-sixtus-iii/>

SOURCE : https://catholicsaints.info/pope-saint-sixtus-iii/

Papa Sisto III


Book of Saints – Xystus III

Article

(Sixtus) (SaintPope (March 28) (5th century) The successor of Saint Celestine in Saint Peter’s Chair. He continued the work of his holy predecessor, especially the defence of Saint Cyril and of the Council of Ephesus. He died A.D. 440.

MLA Citation

Monks of Ramsgate. “Xystus III”. Book of Saints1921. CatholicSaints.Info. 15 March 2017. Web. 29 May 2026. <https://catholicsaints.info/book-of-saints-xystus-iii/>

SOURCE : https://catholicsaints.info/book-of-saints-xystus-iii/

New Catholic Dictionary – Pope Saint Sixtus III

Derivation

Latin: semtus, the sixth

Article

Reigned from 31 July 432 to 18 August 440. Born in RomeItalydied there on 18 August 440. During his pontificate he was falsely accused of favoring Nestorianism and Pelagianism, because of his conciliatory disposition during their controversies. He

approved of the Acts of the Council of Ephesus

defended the supremacy of the pope over Illyricum, against the local bishops and Proclus of Constantinople

restored the Basilica of Liberius

beautified Saint Peter’s, and the Lateran Basilica

Feast, 28 March.

MLA Citation

“Pope Saint Sixtus III”. New Catholic Dictionary. CatholicSaints.Info. 10 August 2018. Web. 29 May 2026. <https://catholicsaints.info/new-catholic-dictionary-pope-saint-sixtus-iii/>

SOURCE : https://catholicsaints.info/new-catholic-dictionary-pope-saint-sixtus-iii/

Papa Sisto III

This illustration is from The Lives and Times of the Popes by Chevalier Artaud de Montor,(1772-1849) New York: The Catholic Publication Society of America, 1911. It was originally published in 1842.


Pope St. Sixtus III

(XYSTUS).

Consecrated 31 July, 432; d. 440. Previous to his accession he was prominent among the Roman clergy and in correspondence with St. Augustine. He reigned during the Nestorian and Pelagian controversies, and it was probably owing to his conciliatory disposition that he was falsely accused of leanings towards these heresies. As pope he approved the Acts of the Council of Ephesus and endeavoured to restore peace between Cyril of Alexandria and John of Antioch. In the Pelagian controversy he frustrated the attempt of Julian of Eclanum to be readmitted to communion with the Catholic Church. He defended the pope's right of supremacy over Illyricum against the local bishops and the ambitious designs of Proclus of Constantinople. At Rome he restored the Basilica of Liberius, now known as St. Mary Major, enlarged the Basilica of St. Lawrence-Without-the-Walls, and obtained precious gifts from the Emperor Valentinian III for St. Peter's and the Lateran Basilica. The work which asserts that the consul Bassus accused him of crime is a forgery. He is the author of eight letters (in P.L., L, 583 sqq.), but he did not write the works "On Riches", "On False Teachers", and "On Chastity" ("De divitiis", "De malis doctoribus", "De castitate") attributed to him. His feast is kept on 28 March.

Sources

DUCHESNE (ed.), Lib. Pont., I (Paris, 1886), 126-27, 232-37; BARMBY in Dict. Christ. Biog., s.v. Sixtus (3); GRISAR, History of Rome and the Popes, tr. CAPPADELTA, I (St. Louis, 1911), nos. 54, 135, 140, 144, 154.

Weber, Nicholas. "Pope St. Sixtus III." The Catholic Encyclopedia. Vol. 14. New York: Robert Appleton Company, 1912. 28 Mar. 2016 <http://www.newadvent.org/cathen/14032a.htm>.

Ecclesiastical approbation. Nihil Obstat. July 1, 1912. Remy Lafort, S.T.D., Censor. Imprimatur. +John Cardinal Farley, Archbishop of New York.

Copyright © 2026 by New Advent LLC. Dedicated to the Immaculate Heart of Mary.

SOURCE : http://www.newadvent.org/cathen/14032a.htm

Papa Sisto III

Mosaïque dans la basilique Sainte-Marie-Majeure avec le nom de Sixte III (Xystus Episcopus Plebi Dei (« Sixte évêque du peuple de Dieu »), vers 435.

Mosaic from Santa Maria Maggiore (c. AD 435), with Sixtus III's name (Xystus Episcopus Plebi Dei, "Sixtus Bishop to the People of God.")

March 28

St. Sixtus III., Pope

HE was a priest among the Roman clergy in 418, when Pope Zozimus condemned the Pelagian heretics. Sixtus was the first, after this sentence, who pronounced publicly anathema against them, to stop their slander in Africa that he favoured their doctrine, as we are assured by St. Austin and St. Prosper in his chronicle. The former sent him two congratulatory letters the same year, in which he applauds this testimony of his zeal, and in the first of these letters professes a high esteem of a treatise written by him in defence of the grace of God against its enemies. It was that calumny of the Pelagian heretics that led Garnier into the mistake, that our saint at first favoured their errors. But a change of this kind would not have been buried in silence. After the death of St. Celestine, Sixtus was chosen pope, in 432. He wrote to Nestorius to endeavour to reclaim him after his condemnation at Ephesus, in 431: but his heart was hardened, and he stopped his ears against all wholesome admonitions. The pope had the comfort to see a happy reconciliation made, by his endeavours, between the Orientals and St. Cyril: in which he much commended the humility and pacific dispositions of the latter. He says, “that he was charged with the care and solicitude of all the churches in the world, 1 and that it is unlawful for any one to abandon the faith of the Apostolic Roman Church, in which St. Peter teaches in his successors what he received from Christ.” 2 When Bassus, a nobleman of Rome, had been condemned by the emperor, and excommunicated by a synod of bishops for raising a grievous slander against the good pope, the meek servant of Christ visited and assisted him in person, administered him the viaticum in his last sickness, and buried him with his own hands. Julian of Eclanum or Eeulanum, the famous Pelagian, earnestly desiring to recover his see, made great efforts to be admitted to the communion of the Church, pretending that he had become a convert, and used several artifices to convince our saint that he really was so: but he was too well acquainted with them to be imposed on. This holy pope died soon after, on the 28th of March, in 440, having sat in the see near eight years. See his letters, Anastasius’s Pontifical, with the notes of Bianchini, &c.

Note 1. Ep. 1. ad Episc. Orient. p. 1236. Ep. decret. t. 1. [back]

Note 2. Ep. 6. ad Joan. Antioch. contra Nestor. [back]

Rev. Alban Butler (1711–73).  Volume III: March. The Lives of the Saints.  1866. 

SOURCE : http://www.bartleby.com/210/3/282.html

Papa Sisto III

Chiesa di San Lorenzo Fuori le Mura, luogo di sepoltura di Sisto III. Fotografia Anderson, Roma - "Roma - S. Lorenzo Fuori le Mura". Numero di catalogo: 110.

Fotografia Anderson, Rome - "Rome - Saint Lawrence outside-the-Walls church". Catalogue # 110.


SIXTUS III, POPE, ST.

Pontificate: July 31, 432 to Aug. 19, 440. This pope was a Roman, the son of Xystus, and a priest at the time of his election. He was well known to (St.) augustine and seems to have sympathized with pelagius until the issuance of the Tractoria of Pope zosimus. Sixtus then abandoned Pelagius and was reminded of the limits of prudence and charity by Augustine.

Sixtus encouraged the negotiations, following the Council of ephesus (431), between cyril of alexan dria and john of antioch, who finally reached agreement regarding the two natures in Christ; the pope wrote to congratulate them (433). During his pontificate, friendly relations between Rome, Constantinople, and Alexandria had all but liquidated the Nestorian problem, until proclus succeeded Maximian as bishop of Constantinople and attempted to impose the decisions of a Constantinopolitan council on the bishops of Illyricum. Sixtus wrote to Bp. Anastasius of Thessalonica confirming his office as papal vicar and warning the Illyrian bishops against the jurisdictional encroachments of Proclus. At the same time, he requested Proclus not to tolerate appeals to Constantinople from the Illyrian bishops. On the other hand, when Iddua, the bishop of Smyrna, appealed to Rome against a sentence rendered by Proclus as metropolitan of Asia Minor, the pope refused to interfere, thus indicating his determination to uphold the system of vicariates. The matter remained a thorny one in Roman-Constantinopolitan relations.

Probably relying on the memory of old sympathies, the exiled Pelagian, julian of eclanum, attempted to persuade Sixtus to allow him to return to his see in Italy (439), but the pope was warned against such a gesture by the deacon (later pope) Leo.

The name of Sixtus III is linked with several of Rome's outstanding churches and monuments, and modern scholars speak of a Sixtine Renaissance. He rebuilt the Lateran baptistery, giving it the form that it has retained ever since: the inscription on the marble beams around the font extols grace and the theology of baptism to mark the Church's triumph over the heresy of Pelagius. His most important undertaking was a complete reconstruction of the Liberian Basilica of Saint Mary Major on the Esquiline Hill and its dedication to the Virgin Mary (the first, and for many years the only, church to be so dedicated in Rome). Its majestic mosaics commemorated the triumph of the Church over the heresy of Nestorius.

A second basilica was joined to the Constantinian church of St. Lawrence Outside the Walls. The Roman Emperor valentinian iii was persuaded to contribute costly silver and gold ornaments to the basilicas of St. Peter, St. Paul, and the Lateran to replace what had been carried off by the Visigoths.

The first monastery in Rome was established at St. Sebastian's to ensure the daily recitation of the Divine Office, and in the papal crypt at St. Callistus the pope erected an important inscription or plaque on which were listed the names of the bishops and martyrs buried there. Sixtus himself was buried in St. Lawrence, although the exact location of his tomb is unknown. Ado of Sens was the first to include him in his ninth-century version of the Roman martyrology under the date of March 28.

Feast: March 28.

Bibliography: Patrologia Latina, ed. J. P. Migne (Paris 1878–90) 50:581–618. Patrologiae cursus completus, series latina ; suppl., ed. A. Hamman (Paris 1957—) 3:21–22, for eds. of letters. Liber pontificalis, ed. L. Duchesne (Paris 1886–92) 1:232–237; 3:85. H. Leclercq, Dictionnaire d'archéologie chrétienne et de liturgie (Paris 1907–53) 13.1:1204–10. É Amann, Dictionnaire de théologie catholique, ed. A. Vacant et al. (Paris 1903–50) 14.2:2196–99. G. Ferrari, Early Roman Monasteries (Rome 1957) 162. R. U. Montini, Le tombe dei Papi (Rome 1957) 100. R. Krautheimer, "The Architecture of Sixtus III," Essays in Honor of Erwin Panofsky, ed. M. Meiss, 2 v. (New York 1961). A. Diberardino, Patrology (Westminister, Md. 1986) 4:589. E. Ferguson, ed., Encyclopedia of Early Christianity (New York 1997) 2:1065. H. Jedin, History of the Church (New York 1980) 2:263–264. R. Krautheimer, Rome: Profile of a City (Princeton 1980) 33–58. J. N. D. Kelly, Oxford Dictionary of Popes (New York 1986) 42–43. C. Pietri, Roma Christiana (Rome 1976) 955–966, 1139–1147. R. Delbrueck, "Notes on the Wooden Doors of Santa Sabina," Studies in Early Christianity 18 (New York & London 1993) 13–21. M. V. Marini Clarelli, "La Controversia nestoriana e i mosaici dell'arco trionfale di S. Maria Maggiore," in Bisanzio e l'Occidente. Arte, Archeologia, Storia, Studi in onore di Fernanda de'Maffei (Rome 1996) 323–42.

[J. Chapin]

New Catholic Encyclopedia

SOURCE : https://www.encyclopedia.com/religion/encyclopedias-almanacs-transcripts-and-maps/sixtus-iii-pope-st

Papa Sisto III

Giovanni Battista de'Cavalieri (1525–1601), Pontificum Romanorum effigies, calcografia, Roma, Basa Domenico \ Zanetti Francesco, 1580. Municipal Library of Trento


San Sisto III Papa

Festa: 19 agosto

† 440

(Papa dal 31/07/432 al 19/08/440)
Romano, continuò la lotta contro le eresie pelagiana e Nestoriana. Ampliò la chiesa di Santa Maria Maggiore, che arricchì di doni e di rendite.

Etimologia: Sisto = variante di Sesto

Martirologio Romano: A Roma sulla via Tiburtina presso San Lorenzo, deposizione di san Sisto III, papa, che ricompose i dissensi tra il patriarcato di Antiochia e quello di Alessandria e nella città di Roma consegnò al popolo di Dio la basilica di Santa Maria Maggiore sul colle Esquilino.

Presule di matrice romana, fu eletto al soglio pontificio il 31 luglio del 432.

Il suo papato fu ricordato per due questioni, fondamentali per l'epoca cristiana e per il tramonto dell'Impero Romano d' occidente.

La prima, per essere riuscito ad imporre le conclusioni del Concilio di Efeso con la ricomposizione, in seno a Santa Romana Chiesa dei dissapori e delle filosofie teologali (mai per altro dichiarate blasfeme od eretiche) sorte e condotte in medio oriente dalla chiesa cristiana orientale facente capo, in particolar modo al patriarca Giovanni di Antiochia, il quale aveva palesemente appoggiato le eresie "nestoriane" e quindi "pelagiane".

In pratica Sisto III riuscì a reimporre il dogma della Santa Trinità e di conseguenza attraverso il "verbo" (ovvero lo "Spirito Santo") la maternità di Maria, quale Madre di Dio. Figura femminile fortemente osteggiata dalle dottrine cristiane radicate nell'oriente, proprio perchè nella ricomposizione della famiglia celeste entrò per la prima volta una figura diversamente sessuata, ovvero una donna, ovvero lo Spirito Santo mai nominato come tale ma piuttosto, rappresentato sotto forma di una lingua di fuoco o di una colomba .

(nda: dal punto di vista laico nulla osta a qualsiasi credo teologico. Vi è da pensare però che il cristianesimo sia sorto sulle sponde di altre filosofie religiose per ricostruire una figura patriarcale ed una famiglia ebraica che si stava scomponendo, in conseguenza al decadimento della società teocratica ebraica; all'occupazione militare romana con la conseguente dissolutezza di costumi ed alla preoccupazione di riportare la famiglia sui "binari" di casa).

La seconda questione che contraddistinse questo papato fu l' abbondanza di ricchezze distribuite per la costruzione di nuove chiese romane ed in particolar modo per la ricostruzione della chiesa di Santa Maria Maggiore sull'Esquilino (distrutta dalla sommossa per l'elezione di papa Damaso) alla quale furono "dedicati" per quello che fu tramandato:

- Un calice d'oro del peso di 50 libbre

- Lamine d'argento per il rivestimento dell'altare per 300 libbre

- Una fonte battesimale sormontata da un cervo d'argento dal peso di 30 libbre, dalla cui bocca sgorgava acqua di fonte

- Un tabernacolo d' argento da 511 libbre, dono speciale dell' imperatore Valentiniano III.

Segno che il clero romano aveva ormai di gran lunga superato in ricchezza la finanza pubblica.

Sisto III fu proclamato santo per quelle qualità. Morì il 19 agosto del 440 e fu sepolto a San Lorenzo fuori le mura.

Autore: Franco Prevato

SOURCE : https://www.santiebeati.it/dettaglio/47550

Papa Sisto III

L. Tripepi, Ritratti e biografie dei romani pontefici: da S. Pietro a Leone 13, cromolitografia, Roma, Vaglimigli Davide, 1879..Municipal Library of Trento


Sixtus III.

Gedenktag katholisch: 19. August

Messe an einigen Orten: 28. März

Weihe der Kirche S. Maria Maggiore: 5. August

Gedenktag orthodox: 28. März

Name bedeutet: der Glatte (griech. - latein.)

Bischof von Rom

* in Rom

† 19. August 440 daselbst

Sixtus war Priester in Rom. Zunächst galt er als Anhänger des Pelagianismus, nach dessen Verurteilung durch Papst Zosimus im Jahr 418 war er ein starker Gegner. 432 bestieg er den Stuhl des Bischofs von Rom. Ihm gelang in den Auseinandersetzungen um den Nestorianismus eine Einigung mit der Ostkirche: er unterstützte die Friedensbemühungen von Kaiser Theodosius II., die 433 zur Einigung und zur Versöhnung der Patriarchen Johannes von Antiochia - dem heutigen Antakya / Hatay - und Cyrill von Alexandria führten. In Illyrien verteidigte er die Rechte des apostolischen Vikars von Thessaloniki gegen die Ansprüche des Patriarchen Proklus von Konstantinopel - dem heutigen Ístanbul.

In Rom entfaltete Sixtus eine rege Bautätigkeit, um die 410 durch die Westgoten verursachten Schäden zu beheben: er ließ am Lateran die unter Kaiser Konstantin errichtete Taufkapelle San Giovanni in Fonte neu bauen - nun achteckig statt kreisrund - und weihte die Basilika Santa Maria Maggiore in Erinnerung an die wichtigen Lehren des Konzils von Ephesus 1. An die kleine Kirche, die über den Katakomben der Cyriaca als Kirche San Lorenzo fuori le Mura errichtet worden war, ließ Sixtus eine größere, Maria geweihte Kirche anbauen - heute das Schiff der aus den beiden Kirchen zusammengebauten Basilika San Lorenzo fuori le Mura. Unsicher ist der Bau der Kirche San Pietro in Vincoli durch ihn zur Aufbewahrung der Ketten des Petrus. Kaiser Valentinian III. kam mit kostbaren Geschenken nach Rom, um Sixtus zu unterstützen. Schon in seiner Regierungszeit hatte sein Diakon, sein späterer Nachfolger Leo I., großen Einfluss.

Sixtus wurde in seiner Kirche - der heutigen Kirche San Lorenzo fuori le Mura - in Rom bestattet. Mehrere ihm zugeschriebene Werke sind nicht echt, ebenso die Dokumente, nach denen sich Sixtus unter Eid von der Anklage der Unzucht befreien musste.

1  Theodor Klausner bestritt 1972 Sixtus' Bauherrschaft; demnach ließ dieser nur zwei Inschriften an der schon gebauten Kirche anbringen.

Stadlers Vollständiges Heiligenlexikon

Catholic Encyclopedia

Die Briefe von Sixtus gibt es in deutscher Übersetzung in der Biliothek der Kirchenväter der Université Fribourg.

Briefe von Sixtus und seine Lebensgeschichten gibt es online zu lesen auch in den Documenta Catholica Omnia.

Das Baptisterium San Giovanni in Fonte in Rom ist täglich von 7 Uhr bis 12.30 Uhr und von 16 Uhr bis 19 Uhr geöffnet.

Die Basilika Santa Maria Maggiore in Rom ist täglich von 7 Uhr bis 18.45 Uhr geöffnet, das Museum und die archäologischen Ausgrabungen täglich von 9 Uhr bis 18.15 Uhr; der Eintritt ins Museum beträgt 3 €, der Eintritt zu den Ausgrabungen (nur mit Führung zu besichtigen) 5 €. (2017)

Die Basilika San Lorenzo fuori le Mura in Rom ist täglich von 8 Uhr bis 12 Uhr und von 16 Uhr bis 18.30 Uhr geöffnet. (2017)

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Quellen:

• Vera Schauber, Hanns Michael Schindler: Heilige und Patrone im Jahreslauf. Pattloch, München 2001

• Karl Heussi: Kompendium der Kirchengeschichte. J.C.B. Mohr (Paul Siebeck), Tübingen 1976

• Adolf v. Harnack: Die Mission und Ausbreitung des Christentums. J. C. Hinrich, Leipzig 1924

• Charlotte Bretscher-Gisinger, Thomas Meier (Hg.): Lexikon des Mittelalters. CD-ROM-Ausgabe. J.B. Metzler, Stuttgart / Weimar 2000

• Lexikon für Theologie und Kirche, begr. von Michael Buchberger. Hrsg. von Walter Kasper, 3., völlig neu bearb. Aufl., Bd. 9. Herder, Freiburg im Breisgau 2000

korrekt zitieren: Joachim Schäfer: Artikel Sixtus III., aus dem Ökumenischen Heiligenlexikon - https://www.heiligenlexikon.de/BiographienS/Sixtus_III.htm, abgerufen am 29. 5. 2026

Die Deutsche Nationalbibliothek verzeichnet das Ökumenische Heiligenlexikon in der Deutschen Nationalbibliografie; detaillierte bibliografische Daten sind im Internet über https://d-nb.info/1175439177 und https://d-nb.info/969828497 abrufbar.

SOURCE : https://www.heiligenlexikon.de/BiographienS/Sixtus_III.htm

Saint Sixte III, Pape : http://orthodoxievco.net/ecrits/vies/synaxair/mars/sixte.pdf