Costantino magno, emissione argentea per costantino cesare, 317-337

Costante, costantino II e costanzo II, emissione argentea a nome di costante, 337-340

The Constantinian dynasty is an informal name for the ruling family of the

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediter ...

from

Constantius Chlorus Flavius Valerius Constantius "Chlorus" ( – 25 July 306), also called Constantius I, was Roman emperor from 305 to 306. He was one of the four original members of the Tetrarchy established by Diocletian, first serving as caesar from 293 ...

(died 306) to the death of Julian in 363. It is named after its most famous member,

Constantine the Great Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to convert to Christianity. Born in Naissus, Dacia Mediterran ...

, who became the sole ruler of the empire in 324. The dynasty is also called Neo-Flavian because every Constantinian emperor bore the name Flavius, similarly to the rulers of the first

Flavian dynasty The Flavian dynasty ruled the Roman Empire between AD 69 and 96, encompassing the reigns of Vespasian (69–79), and his two sons Titus (79–81) and Domitian (81–96). The Flavians rose to power during the civil war of 69, known ...

in the 1st century.

Stemmata

In ''italics'' the ''augusti'' and the ''augustae''. * ''

Constantius I Flavius Valerius Constantius "Chlorus" ( – 25 July 306), also called Constantius I, was Roman emperor from 305 to 306. He was one of the four original members of the Tetrarchy established by Diocletian, first serving as caesar from 293 t ...

'' *# From relationship between ''Constantius I'' and '' Helena'' *#* ''

Constantine I Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...

'' *#*# From marriage between ''Constantine I'' and '' Minervina'' *#*#* Crispus *#*# From marriage between ''Constantine I'' and '' Fausta'' *#*#* ''

Constantina Flavia Valeria Constantina (also sometimes called ''Constantia'' and ''Constantiana''; el, Κωνσταντίνα; b. after 307/before 317 – d. 354), later known as Saint Constance, was the eldest daughter of Roman emperor Constantine the Great ...

'', wife of

Hannibalianus __NOTOC__ Flavius Hannibalianus (also Hanniballianus; died September 337) was a member of the Constantinian dynasty, which ruled over the Roman Empire in the 4th century AD. Hannibalianus was the son of Flavius Dalmatius, and thus nephew of Cons ...

and

Constantius Gallus Flavius Claudius Constantius Gallus (326–354) was a statesman and ruler in the eastern provinces of the Roman Empire from 351 to 354, as ''Caesar'' under emperor Constantius II (), his cousin. A grandson of emperor Constantius Chlorus () and ...

*#*#* '' Constantine II'' *#*#* ''

Constantius II Constantius II (Latin: ''Flavius Julius Constantius''; grc-gre, Κωνστάντιος; 7 August 317 – 3 November 361) was Roman emperor from 337 to 361. His reign saw constant warfare on the borders against the Sasanian Empire and Germanic ...

'' *#*#*#No offspring from marriage between ''Constantius II'' and his first wife, daughter of

Julius Constantius Julius Constantius (died September 337 AD) was a politician of the Roman Empire and a member of the Constantinian dynasty, being a son of Emperor Constantius Chlorus and his second wife Flavia Maximiana Theodora, a younger half-brother of Emperor ...

*#*#*#No offspring from marriage between ''Constantius II'' and '' Eusebia'' *#*#*#From marriage between ''Constantius II'' and '' Faustina'' *#*#*#*

Flavia Maxima Constantia Flavia Maxima Constantia (361/362 – 383) was the first empress consort of Gratian of the Western Roman Empire. According to Ammianus Marcellinus, Constantia was a posthumous child of Constantius II by his third wife Faustina. Her paternal grand ...

, wife of ''

Gratian Gratian (; la, Gratianus; 18 April 359 – 25 August 383) was emperor of the Western Roman Empire from 367 to 383. The eldest son of Valentinian I, Gratian accompanied his father on several campaigns along the Rhine and Danube frontiers and w ...

'' *#*#* ''

Constans I Flavius Julius Constans ( 323 – 350), sometimes called Constans I, was Roman emperor from 337 to 350. He held the imperial rank of ''caesar'' from 333, and was the youngest son of Constantine the Great. After his father's death, he was mad ...

'' *#*#* '' Helena'', wife of '' Julian'' *# From marriage between ''Constantius Chlorus'' and ''

Theodora Theodora is a given name of Greek origin, meaning "God's gift". Theodora may also refer to: Historical figures known as Theodora Byzantine empresses * Theodora (wife of Justinian I) ( 500 – 548), saint by the Orthodox Church * Theodora o ...

'' *#*

Flavius Dalmatius :''This article deals with the censor. For the Caesar (335-337) Flavius Dalmatius, son of the censor, see Dalmatius. Flavius Dalmatius (died 337), also known as Dalmatius the Censor, was a censor (333), and a member of the Constantinian dynasty, ...

*#*# From marriage between Flavius Dalmatius and unknown wife *#*#*

*#*#*

, husband of

*#*

*#*# From marriage between Julius Constantius and Galla *#*#* son, died in the purges of 337 Julian, ''Epistula ad SPQ Atheniarum'' 270 D
Roman-emperors.org
/ref> *#*#* daughter, first wife of ''

'' *#*#*

*#*#*# No offspring from marriage between Gallus and ''

'' *#*# From marriage between Julius Constantius and Basilina *#*#* '' Julian'' *#*#*# No offspring from marriage between ''Julian'' and ''Helena'', daughter of Constantine I *#* Hannibalianus (must have died before the imperial purges that occurred in 337 because he is not listed among its victims); *#* Anastasia; *#* ''

Flavia Julia Constantia Flavia Julia Constantia (after 293 – c. 330) was the daughter of the Roman Emperor Constantius Chlorus and his second wife, Flavia Maximiana Theodora. In 313, Emperor Constantine the Great, who was the half-brother of Constantia, gave her in ...

'', wife of ''

Licinius Valerius Licinianus Licinius (c. 265 – 325) was Roman emperor from 308 to 324. For most of his reign he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan, AD 313, that granted official toleration to C ...

'' *#*#* Valerius Licinianus Licinius *#*Eutropia *#*#* ''Julius Nepotianus''

Family tree

Emperors are shown with a rounded-corner border with their dates as Augusti, names with a thicker border appear in both sections 1: Constantine's parents and half-siblings 2: Constantine's children

Relationship to other tetrarchs

Other rulers of the

tetrarchy The Tetrarchy was the system instituted by Roman emperor Diocletian in 293 AD to govern the ancient Roman Empire by dividing it between two emperors, the ''augusti'', and their juniors colleagues and designated successors, the '' caesares'' ...

were related to the Constantinian dynasty: * Maximian: adoptive father and stepfather-in-law of Constantius Chlorus, father-in-law of Constantine, stepgrandfather-in-law of Licinius * Maxentius: adoptive brother and half-brother-in-law of Constantius Chlorus, brother-in-law of Constantine *

: son-in-law of Constantius Chlorus, half-brother-in-law of Constantine

Notes

References

R. Scott Moore, "The Stemmata of the Neo-Flavian Emperors", ''DIR'' (1998)
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