Roman imperial dynasties
Theodosian dynasty
379–457
Missorium of Theodosius with three Theodosian emperors of Theodosian
Missorium of Theodosius with three Theodosian emperors[lower-alpha 2]
Western and Eastern Roman Empires 395
Western and Eastern Roman Empires 395
StatusImperial dynasty
CapitalRome
Constantinople
Ravenna
GovernmentAbsolute monarchy
Western Roman emperor 
• 395–423
Honorius
• 425–455
Valentinian III
Eastern Roman emperor 
• 379–395
Theodosius I
• 395–408
Arcadius
• 408–450
Theodosius II
• 450–457
Marcian
Historical eraLate antiquity
• Battle of Adrianople, Death of Valens (378), Ascent of Theodosius I
379
• Death of Marcian
457
Preceded by		Succeeded by
Valentinianic dynasty (364–455)
Leonid dynasty (457–518)
Inscription in honour of Theodosius and Honorius[lower-alpha 3]

The Theodosian dynasty was a Roman imperial family that produced five Roman emperors during Late Antiquity, reigning over the Roman Empire from 379 to 457. The dynasty's patriarch was Theodosius the Elder, whose son Theodosius the Great was made Roman emperor in 379. Theodosius's two sons both became emperors, while his daughter married Constantius III, producing a daughter that became an empress and a son also became emperor. The dynasty of Theodosius married into, and reigned concurrently with, the ruling Valentinianic dynasty (r. 364–455), and was succeeded by the Leonid dynasty (r. 457–518) with the accession of Leo the Great.

History

Its founding father was Flavius Theodosius (often referred to as Count Theodosius), a great general who had saved Britannia from the Great Conspiracy. His son, Flavius Theodosius was made emperor of the Eastern Roman Empire in 379, and briefly reunited the Roman Empire 394–395 by defeating the usurper Eugenius. Theodosius I was succeeded by his sons Honorius in the West and Arcadius in the East. The House of Theodosius was related to the Valentinianic Dynasty by marriage, since Theodosius I had married Galla, a daughter of Valentinian I. Their daughter was Galla Placidia. The last emperor in the West belonging to the dynasty was Galla Placidia's son Valentinian III. The last emperor of the dynasty in the East was Theodosius II, the son of Arcadius. Later, both in the East and in the West, the dynasty briefly continued, but only through marriages: Marcian became emperor by marrying Pulcheria, the older sister of Theodosius II, after the death of the latter, Petronius Maximus was married to Licinia Eudoxia, the daughter of Theodosius II, and Olybrius was married to Placidia, the daughter of Valentinian III. Anthemius is also sometimes counted to the dynasty as he became a son-in-law of Marcian. Descendants of the dynasty continued to be part of the East Roman nobility at Constantinople until the end of the 6th century.

According to Polemius Silvius, Theodosius the Great was born on 11 January 347 or 346.[1] The epitome de Caesaribus places his birthplace at Cauca (Coca, Segovia) in Hispania.[1] Theodosius had a brother named Honorius, a sister referred to in Aurelius Victor's De caesaribus but whose name is unknown, and a niece, Serena.[1]

In 366, Theodosius the Elder attacked and defeated the Alamanni in Gaul; the defeated prisoners were resettled in the Po Valley.[2][3] In 367 Roman Britain was threatened by the Great Conspiracy, defeated 368–369 by the magister equitum Theodosius the Elder, accompanied by his son Theodosius.[2][3][1] At this time was the unsuccessful usurpation in Britain by Valentinus.[3] Theodosius the Elder was made magister equitum in 369, and retained the post until 375.[1] The magister equitum and his son Theodosius campaigned against the Alamanni 370.[1] The two Theodosi campaigned against Sarmatians in 372/373.[1] Valentinian's rule in Roman Africa was disrupted by the revolt of Firmus in 373.[2] Theodosius the Elder defeated the usurpation.[2]

In 373/374, Theodosius the magister equitum's son, was made dux of the province of Moesia Prima.[1] At the fall of his father, Theodosius the dux of Moesia Prima retired to his estates in the Iberian Peninsula, where he married Aelia Flaccilla in 376.[1] Their first child, Arcadius, was born around 377.[1] Pulcheria, their daughter, was born in 377 or 378.[1] Theodosius had returned to the Danube frontier by 378, when he was appointed magister equitum.[1]

First generation emperor: Theodosius the Great

The Theodosians enthroned among their court, receiving tribute from barbarians performing proskynesis (relief on the pedestal of the Obelisk of Theodosius in the Hippodrome of Constantinople)

After the death of his uncle Valens (r. 364–378), Gratian, now the senior augustus, sought a candidate to nominate as Valens's successor. On 19 January 379, Theodosius I was made augustus over the eastern provinces at Sirmium.[1][4] His wife, Aelia Flaccilla, was accordingly raised to augusta.[1] The new augustus's territory spanned the Roman praetorian prefecture of the East, including the Roman diocese of Thrace, and the additional dioceses of Dacia and of Macedonia. Theodosius the Elder, who had died in 375, was then deified as: Divus Theodosius Pater, lit. 'the Divine Father Theodosius'.[1] In October 379 the Council of Antioch was convened.[1] On 27 February 380 Theodosius issued the Edict of Thessalonica, making Nicene Christianity the state church of the Roman Empire.[1] In 380, Theodosius was made Roman consul for the first time and Gratian for the fifth; in September the augusti Gratian and Theodosius met, returning the Roman diocese of Dacia to Gratian's control and that of Macedonia to Valentinian II.[4][1] In autumn Theodosius fell ill, and was baptized.[1] According to the Consularia Constantinopolitana, Theodosius arrived at Constantinople and staged an adventus, a ritual entry to the capital, on 24 November 380.[1]

Theodosius issued a decree against Christians deemed heretics on 10 January 381.[1] According to the Consularia Constantinopolitana, on the 11 January, Athanaric, king of the Gothic Thervingi arrived in Constantinople; he died and was buried in Constantinople on 25 January.[1] On 8 May 381, Theodosius issued an edict against Manichaeism.[1] In mid-May, Theodosius convened the First Council of Constantinople, the second ecumenical council after Constantine's First Council of Nicaea in 325; the Constantinopolitan council ended on 9 July.[1] According to Zosimus, Theodosius won a victory over the Carpi and the Sciri in summer 381.[1] On 21 December, Theodosius decreed the prohibition of sacrifices with the intent of divining the future.[1] On 21 February 382, the body of Theodosius's father in law Valentinian the Great was finally laid to rest in the Church of the Holy Apostles.[1] Another Council of Constantinople was held in summer 382.[1] According to the Consularia Constantinopolitana, a treaty of foedus was reached with the Goths, and they were settled between the Danube and the Balkan Mountains.[1]

Drawing of the Column of Arcadius in Constantinople, possibly by Lambert de Vos, c. 1574 (Cambridge, Trinity College, ms. O.17.2)

According to the Chronicon Paschale, Theodosius celebrated his quinquennalia on 19 January at Constantinople; on this occasion he raised his eldest son Arcadius to co-augustus.[1] Early 383 saw the acclamation of Magnus Maximus as augustus in Britain and the appointment of Themistius as praefectus urbi in Constantinople.[1] On 25 July, Theodosius issued a new edict against gatherings of Christians deemed heretics.[1] Sometime in 383, Gratian's wife Constantia died.[4] Gratian remarried, wedding Laeta, whose father was a consularis of Roman Syria.[5] On the 25 August 383, according to the Consularia Constantinopolitana, Gratian was killed at Lugdunum (Lyon) by Andragathius, the magister equitum of the rebel augustus during the rebellion of Magnus Maximus (r. 383–388).[4] Constantia's body arrived in Constantinople on 12 September that year and was buried in the Church of the Holy Apostles on 1 December.[4] Gratian was deified as Latin: Divus Gratianus, lit. 'the Divine Gratian'.[4]

On 21 January 384 all those deemed heretics were expelled from Constantinople.[1] According to the Consularia Constantinopolitana, Theodosius received in Constantinople an embassy from the Sasanian Empire in 384.[1] In summer 384, Theodosius met his co-augustus Valentinian II in northern Italy.[6][1] Theodosius brokered a peace agreement between Valentinian and Magnus Maximus which endured for several years.[7]

Bust of Honorius, Landesmuseum Burgenland, Eisenstadt

Theodosius's second son Honorius was born on 9 December 384 and titled nobilissimus puer (or nobilissimus iuvenis).[1] Sometime before 386 died Aelia Flaccilla, Theodosius's first wife and the mother of Arcadius, Honorius, and Pulcheria.[1] She died at Scotumis in Thrace and was buried at Constantinople, her funeral oration delivered by Gregory of Nyssa.[1][8] A statue of her was dedicated in the Byzantine Senate.[8] In 384 or 385, Theodosius's niece Serena was married to the magister militum, Stilicho.[1] On 25 May 385, Theodosius reiterated the ban on sacrifices with questions concerning the future with new legislation.[1] In the beginning of 386, Theodosius's first wife Aelia Flaccilla and his daughter Pulcheria both died.[1] That summer the Goths were defeated, together with their settlement in Phrygia.[1] According to the Consularia Constantinopolitana, a Roman triumph over the Gothic Greuthungi was then celebrated at Constantinople.[1] The same year, work began on the great triumphal column in the Forum of Theodosius in Constantinople, the Column of Theodosius.[1] On 19 January 387, according to the Consularia Constantinopolitana, Arcadius celebrated his quinquennalia in Constantinople.[1] By the end of the month, there was an uprising or riot in Antioch, known as Riot of the Statues.[1] Also in 387, Armenia was divided between Rome and Persia by the peace treaty known as Peace of Acilisene.[1]

The peace with Magnus Maximus was broken in 387, and Valentinian escaped the west with Justina, reaching Thessalonica (Thessaloniki) in summer or autumn 387 and appealing to Theodosius for aid; Valentinian II's sister Galla was then married to the eastern augustus at Thessalonica in late autumn.[6][1] Theodosius may still have been in Thessalonica when he celebrated his decennalia on 19 January 388.[1] Theodosius was consul for the second time in 388.[1] Galla and Theodosius's first child, a son named Gratian, was born in 388 or 389.[1]

On 10 March 388, Christians deemed heretics were forbidden from residing in cities.[1] On 14 March, Theodosius banned the intermarriage of Jews and Christians.[1] In summer 388, Theodosius recovered Italy from Magnus Maximus for Valentinian, and in June, the meeting of Christians deemed heretics was banned by Valentinian.[6][1] Around July, Magnus Maximus was defeated by Theodosius at Siscia (Sisak) and at Poetovio (Ptuj), and on 28 August, Magnus Maximus was executed by Theodosius.[1] According to the Consularia Constantinopolitana, Arbogast killed Flavius Victor (r. 384–388), Magnus Maximus's young son and co-augustus, in Gaul in August/September that year. Damnatio memoriae was pronounced against them, and inscriptions naming them were erased.[1]

Theodosius came into conflict with Ambrose, bishop of Mediolanum, in October 388 over the persecution of Jews at Callincium-on-the-Euphrates (Raqqa).[1] As mentioned in the Panegyrici Latini and in a panegyric of Claudian's on the sixth consulship of Honorius, Theodosius then received another embassy from the Persians in 389.[1] According to the Consularia Constantinopolitana, Theodosius staged an adventus on entering Rome on 13 June 389.[1] On 17 June, he issued a decree against Manichaeism.[1] Theodosius had left Valentinian under the protection of the magister militum Arbogast, who then defeated the Franks in 389.[7][6]

In spring 390, possibly in April, the Massacre of Thessalonica was perpetrated by Theodosius's army, leading to a confrontation with Ambrose.[1] Ambrose demanded that the emperor do penance for the massacre.[1] According to the 5th-century church historian Theodoret, on 25 December 390 (Christmas), Ambrose received Theodosius back into the Christian Church in his bishopric of Mediolanum.[1] According to the Chronicon Paschale, on 18 February 391, the head of John the Baptist was translated to Constantinople.[1] On the 24 February, attendance at pagan sacrifices and temples was forbidden by law.[1] In early summer 391, an uprising in Alexandria was suppressed, and the Serapeum of Alexandria was destroyed.[1] On 16 June, pagan worship was prohibited by law.[1] In 391, a delegation from the Roman Senate was snubbed in Gaul because of the reappearance of the Altar of Victory in the Curia Julia.[6]

According to Zosimus, Theodosius then campaigned against marauding barbarian bandits in Macedonia in autumn 391.[1] Eventually, he came to Constantinople, where according to Socrates Scholasticus's Historia Ecclesiastica he held an adventus, entering the city on 10 November 391.[1]

On 15 May 392, Valentinian II died at Vienna in Gaul (Vienne), either by suicide or as part of a plot by Arbogast.[6] He was deified with the consecratio: Divae Memoriae Valentinianus, lit. 'the Divine Memory of Valentinian'.[6] Theodosius was then sole adult emperor, reigning with his son Arcadius. On 22 August at the behest of the magister militum Arbogast, a magister scrinii and vir clarissimus, Eugenius, was acclaimed augustus at Lugdunum (Lyon).[1] On 8 November 392, all cult worship of the gods was forbidden by Theodosius.[1]

According to Polemius Silvius, Theodosius raised his second son Honorius to augustus on 23 January 393.[1] 393 was the year of Theodosius's third consulship.[1] On 29 September 393, Theodosius issued a decree for the protection of Jews.[1] According to Zosimus, at the end of April 394, Theodosius's wife Galla died.[1] On 1 August, a colossal statue of Theodosius was dedicated in Constantinople's Forum of Theodosius, an event recorded in the Chronicon Paschale.[1] According to Socrates Scholasticus, Theodosius defeated Eugenius at the Battle of the Frigidus on 6 September 394 and on 8 September, Arbogast killed himself.[1] According to Socrates, on 1 January 395, Honorius arrived in Mediolanum and a victory celebration was held there.[1]

According to the Consularia Constantinopolitana, Theodosius died in Mediolanum on 17 January 395.[1] His funeral was held there on 25 February, and his body transferred to Constantinople, where according to the Chronicon Paschale he was buried on 8 November 395 in the Church of the Holy Apostles.[1] He was deified as: Divus Theodosius, lit. 'the Divine Theodosius'.[1]

Second generation emperors: Arcadius and Honorius

The two surviving sons of Theodosius ruled the eastern and western halves of the empire after their father died.[1] Theodosius's second wife Galla, the daughter of Valentinian the Great by his second wife Justina, was Galla Placidia, born in 392 or 393.[1] Galla Placidia's brother Gratian, the son of Galla and Theodosius, died in 394.[1] Another son, John (Latin: Ioannes), may have been born in 394.[1] Galla Placidia married Athaulf, the King of the Visigoths in 414; he soon died and she married the patricius Constantius (later Constantius III) in 417.[1] Their children were Justa Grata Honoria and Valentinian III.[9] Constantius III was elevated to augustus in 421 by Honorius, who had no issue, and Galla Placidia was made augusta; Constantius died the same year and Galla Placidia fled to Constantinople.[9]

Third generation emperors: Theodosius II and Valentinian III

When Honorius died in 423, the primicerius notariorum Joannes (r. 423–425) succeeded as augustus in the west; thereafter Theodosius II (r. 402–450) – son and successor of Arcadius as augustus in the east – moved to install Galla Placidia's son Valentinian as emperor in the west instead, appointing him caesar on 23 October 424.[9] After the fall of Joannes, Valentinian III was made augustus on the first anniversary of his investiture as caesar; he ruled the western provinces until his death on the 16 March 455, though Galla Placidia was regent during his youth. Galla Placidia died on 25 November 450.[1]

Imperial members

In italics are members of the Valentinianic dynasty, descended from Theodosius I's second marriage to Galla, daughter of Valentinian the Great (r. 364–375).

Sometimes also counted

Stemmata

In italics the Augusti and the Augustae.

Family tree

Culture

See also

Notes

  1. Probably Theodosius the Great and his sons Arcadius and Honorius
  2. ↑ Probably Theodosius the Great and his sons Arcadius and Honorius
  3. ↑ Inscription reads:
    Florentib· d·d· [n·n· H]onorio [et]
    Theodosio inc[lyti]s semper augg·
    Iunius Valerius [Bellici]us v·c· p[r]aef· u[rb·]
    vice sac·iud port[icum cum sc]r[i]ni[is]
    Tellurensis secr[etarii tribunalibus]
    adherentem red[integravit et] urbanae
    sedi vetustatis h[o]nor[em resti]tuit
  4. ↑ Theodosius I (top), Arcadius (left), and Honorius (right)
  5. ↑ d·d·d·n·n·n·auggg· ("Our Lords the Augusti") : Theodosius (centre), Arcadius (left), Honorius (right)
  6. ↑ d·n· arcadius p·f· aug· ("Our Lord Arcadius, Pious Happy Augustus")
  7. ↑ Inscription: ael· eudoxia aug· ("Aelia Eudocia Augusta")
  8. ↑ Inscription: d·n· honorius p·f· aug· ("Our Lord Arcadius, Pious Happy Augustus"), from Hoxne hoard
  9. ↑ Inscription:d·n· galla placidia p·f· aug· ("Our Lady Galla Placidia, Pious Happy Augusta") The reverse shows Victory and a crux gemmata
  10. ↑ Theodosius II (centre) blessing Valentinian III (left) and Theodosius' daughter Licinia Eudoxia (right)

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 Kienast, Dietmar (2017) [1990]. "Theodosius I". Römische Kaisertabelle: Grundzüge einer römischen Kaiserchronologie (in German). Darmstadt: Wissenschaftliche Buchgesellschaft. pp. 323–326. ISBN 978-3-534-26724-8.
  2. 1 2 3 4 Bond, Sarah; Darley, Rebecca (2018a). "Valentinian I (321–75)". pp. 1546–1547. doi:10.1093/acref/9780198662778.001.0001. ISBN 978-0-19-866277-8. Retrieved 2020-10-24, in Nicholson (2018){{cite news}}: CS1 maint: postscript (link)
  3. 1 2 3 Kienast, Dietmar (2017) [1990]. "Valentinianus". Römische Kaisertabelle: Grundzüge einer römischen Kaiserchronologie (in German). Darmstadt: Wissenschaftliche Buchgesellschaft. pp. 313–315. ISBN 978-3-534-26724-8.
  4. 1 2 3 4 5 6 Kienast, Dietmar (2017) [1990]. "Gratianus". Römische Kaisertabelle: Grundzüge einer römischen Kaiserchronologie (in German). Darmstadt: Wissenschaftliche Buchgesellschaft. pp. 319–320. ISBN 978-3-534-26724-8.
  5. ↑ Bond, Sarah; Nicholson, Oliver (2018a). "Gratian (359–83)". pp. 677–678. doi:10.1093/acref/9780198662778.001.0001. ISBN 978-0-19-866277-8. Retrieved 2020-10-25, in Nicholson (2018){{cite news}}: CS1 maint: postscript (link)
  6. 1 2 3 4 5 6 7 Kienast, Dietmar (2017) [1990]. "Valentinianus II". Römische Kaisertabelle: Grundzüge einer römischen Kaiserchronologie (in German). Darmstadt: Wissenschaftliche Buchgesellschaft. pp. 321–322. ISBN 978-3-534-26724-8.
  7. 1 2 Bond, Sarah (2018a). "Valentinian II (371–92)". p. 1547. doi:10.1093/acref/9780198662778.001.0001. ISBN 978-0-19-866277-8. Retrieved 2020-10-25, in Nicholson (2018){{cite news}}: CS1 maint: postscript (link)
  8. 1 2 Groß-Albenhausen, Kirsten (2006). "Flacilla". Brill's New Pauly.
  9. 1 2 3 Nathan, Geoffrey (2018a). "Galla Placidia, Aelia (c. 388–450)". p. 637. doi:10.1093/acref/9780198662778.001.0001. ISBN 978-0-19-866277-8. Retrieved 2020-10-24, in Nicholson (2018){{cite news}}: CS1 maint: postscript (link)

Bibliography

Books and theses

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