First married to Michael VII Doukas and secondly to Nikephoros III Botaneiates, she was preoccupied with the future of her son by Michael VII, Constantine Doukas.

Geoffrey also names him as one of three sons of Constantine III, along with Constans II and Uther Pendragon.

Constantine was forced to become a monk by his nephew Andronikos III Palaiologos.

* Constantine III ( western emperor )

* Constantine III ( Byzantine emperor )

* Constantine I, King of Armenia, also called Constantine III

* Constantine III, King of Armenia, also called Constantine V

* Constantine III of Scotland

* Constantine III of Gallura

* Patriarch Constantine III of Constantinople

* Constantine III ( usurper ) ( died 411 ), known as Constantine II of Britain in British legend

The last of Constantine's certain descendants to be king in Alba was a great-grandson, Constantine III ( Constantín mac Cuiléin ).

The British provinces were isolated, lacking support from the Empire, and the soldiers supported the revolts of Marcus ( 406 – 407 ), Gratian ( 407 ), and Constantine III.

The revolt of Constantine III in the west continued through this period.

** Marcus, Gratian, Constantine " III " and Constans " II " in Gaul and Britain ;

The army rebelled and, after elevating two disappointing usurpers, chose a soldier, Constantine III, to become emperor in 407.

Example of the miliaresion silver coins, first struck by Leo III to commemorate the coronation of his son, Constantine V, as co-emperor in 720.

* 612 – Constantine III, Byzantine emperor ( d. 641 )

Ivan III married Sophia Palaiologina, the niece of the last Byzantine emperor Constantine XI, and made the Byzantine double-headed eagle his own, and eventually Russian, coat-of-arms.

After it had been rebuilt near Amesbury, Geoffrey further narrates how first Ambrosius Aurelianus, then Uther Pendragon, and finally Constantine III, were buried inside the " Giants ' Ring of Stonehenge ".

* 411 – Constantine III, Roman general and emperor

* June – The army of Peter III of Aragon lands in North Africa in Collo to support the rebellious governor of Constantine, Ibn Wazir.

The Western portion of the Empire, under the influence of the Popes in Rome leaned towards Catholicism and against Arianism, and through their intercession they convinced Constantine to free Athanasius, allowing him to return to Alexandria.

# The endorsement by the popes and the church of the line of emperors beginning with the Emperors Constantine and Theodosius, later the Eastern Roman emperors, and finally the Western Roman emperor, Charlemagne and his successors, the Catholic Holy Roman Emperors.

This document, accepted as genuine until the 15th century, states that Constantine I placed the entire Western Empire of Rome under papal rule.

His life coincided with the rise of Emperor Constantine I and the reunion and re-division of the Western and Eastern Roman Empires, which is associated with the widespread legitimization of Christianity and the later adoption of Christianity as the official religion of the Roman state in 380.

During Damasus ' early years, Constantine I rose to rule the Western Roman Empire.

Emperor Constantine III ( Western Roman Emperor ) | Constantine III ( 407 – 411 )

* Following the defeat of the Constantine III, the Burgundians and the Gallic nobility proclaim Jovinus, Gallo-Roman senator, emperor of the Western Roman Empire at Mogontiacum ( modern Mainz ).

* Galerius grants Constantine I the title Caesar and elevates Severus II to co-emperor of the Western Roman Empire.

* May 22 – Constantine the Great, first Christian Roman Emperor of the Western empire ( 312 – 324 ), and of the Roman Empire ( 324 – 337 ), dies in Achyron, near Nicomedia, at age 65 after he is baptized by Eusebius of Nicomedia.

Paul K. Davis writes, " Constantine ’ s victory gave him total control of the Western Roman Empire paving the way for Christianity to become the dominant religion for the Roman Empire and ultimately for Europe.

The first fruits of this arrangement, which was based on no firmer foundation than the forged " Donation of Constantine ", but destined to give to the papacy a position of independence towards both the Eastern and Western Empires, was the reduction in the autumn, with Norman aid, of Galeria, where the antipope had taken refuge, and the end of the subordination of the papacy to the Roman nobles.

The reign of Constantine the Great, during which the Empire was divided into its Eastern and Western halves, saw the construction of the last major expansion of the Forum complex — the Basilica of Maxentius ( 312 AD ).

The reign of Constantine the Great saw the division of the Empire into its Eastern and Western halves, as well as the construction of the Basilica of Maxentius ( 312 AD ), the last significant expansion of the Forum complex.

Flavius Claudius Constantinus, known in English as Constantine III ( died 411 by 18 September ) was a Roman general who declared himself Western Roman Emperor in Britannia in 407 and established himself in Gaul.

Milan, which had been the capital of the Western Roman Empire in the time of Constantine, was the capital of the Lombard kings Perctarit and his son Cunipert, who became Catholic Christians in the 7th century.

British troops elected their own leaders-the last of these, Constantine III, declared himself to be emperor of the Western Roman Empire and took an expeditionary force across the Channel, leaving Britain short of troops.

Thus securing the loyalty of Caesar of the Western Roman Empire Constantius Chlorus, father of Constantine and grandfather of Crispus.

Constantine reigned as an Western Roman Emperor and his brother-in-law Licinius as an Eastern Roman Emperor.

In the event, the Indian rhinoplasty technique perdured in nineteenth-century Western European medicine ; in Great Britain, Joseph Constantine Carpue ( 1764 – 1846 ) published the Account of Two Successful Operations for Restoring a Lost Nose ( 1815 ), which described two rhinoplasties: the reconstruction of a battle-wounded nose, and the repair of an arsenic-damaged nose.

The Donation of Constantine suggests that Constantine I " donated " the whole of the Western Roman Empire to the Roman Catholic Church as an act of gratitude for having been miraculously cured of leprosy by Pope Sylvester I.

Constantine II ( also Constantine IV ;, Western Armenian transliteration: Gosdantin or Kostantine ; died 17 April 1344 ), born Guy de Lusignan, was elected the first Latin King of Armenian Cilicia of the Lusignan dynasty, ruling from 1342 until his death in 1344.