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The Valentinian Dynasty or Valentinianic Dynasty,[1][2][3] consisting of four emperors, ruled the Western Roman Empire from 364 to 392 and the Eastern Roman Empire from 364 to 378.

Roman imperial dynasties
Valentinian dynasty
Chronology
Valentinian I as Emperor of the West 364–375
-with Valens as Emperor of the East 364–375
-with Gratian as junior Augustus of West 375–378
Gratian as Emperor of the West 375–383
-with Valentinian II as junior Augustus of West 375–378
-with Valens as Emperor of the East 375–378
Gratian as sole emperor 378–379
-with Valentinian II as junior Augustus 375–379
Gratian as Emperor of the West 379–383
-with Theodosius I as emperor of the East 379–383
-with Valentinian II as junior Augustus 375–383
Interlude: Magnus Maximus Usurper 383–388
Valentinian II in competition with Magnus Maximus in the west 383–388
-with Theodosius I as emperor of the East 375–388
Valentinian II as Emperor of the West 388–392
-with Theodosius I as emperor of the East 388–392
Western Empire
Interlude: Honorius Theodosian dynasty 393–423
Interlude: Joannes Usurper 423–425
Valentinian III as Emperor of the West 425–455
Succession
Preceded by
Constantinian dynasty and Jovian
Followed by
Non dynastic emperors (455–480) in the west and Theodosian dynasty in the east

The dynasty was related to the Theodosian dynasty by the marriage of Theodosius I of the East to Valentinian I's daughter. From this marriage came Galla Placidia,[4] whose son Valentinian III became the western emperor (425–455), the last ruler descended from either dynasty. His descendants continued to be a part of the Roman nobility in Constantinople until the end of the 6th century.

GenealogyEdit

 
Maximian
emperor of the West
286-305
 
 
 
 
 
Eutropia
 
 
 
 
 
Afranius Hannibalianus
consul 292
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.Helena saint
 
 
 
 
 
Constantius Chlorus
emperor of the West
305-306
 
2.Theodora
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fausta
 
Constantine I
emperor of the Romans
310-324
CONSTANTINIAN DYNASTY
 
 
 
 
 
 
 
 
 
Julius Constantius
Galla
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Constantius II
co-emperor
337-350
Faustina
 
 
 
 
 
 
 
 
 
Gratian the Elder
protector domesticus,
tribune, comes
 
(2nd daughter)
∞ Justus
governor of Picenum
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Valens
emperor of the East
364-378
Albia Dominica
 
1.Marina Severa
 
Valentinian I
emperor of the West
364-375
 
2.Justina
 
Magnentius
usurper
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.Flavia Maxima Constantia
 
Valentinianus Galates
 
Gratian
emperor of the West
376-383
∞ 2.Laeta
 
Valentinian II
emperor of the West
375-392
 
Galla
 
Theodosius I
emperor of the Romans
392-395
THEODOSIAN DYNASTY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Galla Placidia
Constantius III
emperor of the West
421
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Valentinian III
emperor of the West
425-455

Family treeEdit

ReferencesEdit

  1. ^ Kulikowski, M. Rome's Gothic Wars: from the third century to Alaric. 2007. pg 162.
  2. ^ McLynn, N. B. Ambrose of Milan: church and court in a Christian capital 1994. pg 169.
  3. ^ Lenski, N. E. The Cambridge companion to the Age of Constantine. 2006. pg 103.
  4. ^ Her profile in "Medieval Lands" by Charles Cawley