Flavia Constantia Augusta

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Flavia Constantia Augusta

Also Known As: "Helen of Rome"
Birthplace: Naissus - Modern Nish, Moesia Superior - Serbia
Death: 354 (30-39)
Ravenna, Emilia-Romagna, Italy
Immediate Family:

Daughter of Constantine I "the Great", Roman Emperor and Flavia Maxima Fausta
Wife of Flavius Claudius Constantius Gallus Caesar and Flavius Hannibalianus
Mother of Anastasia
Sister of Constans I, Roman Emperor; Constantius II, Roman Emperor; Flavia Helena; Faustina Augusta and Maximianius Constans
Half sister of Flavius Julius Crispus Caesar

Occupation: I like to marry my cousins
Managed by: Noel Clark Bush
Last Updated:

About Flavia Constantia Augusta



Constantina (also named Constantia and Constantiana; b. after 307/before 317 - d. 354), and later known as Saint Constance, was the eldest daughter of Roman Emperor Constantine the Great and his second wife Fausta, daughter of Emperor Maximian. Constantina received the title of Augusta by her father, and is venerated as a saint, having developed a medieval legend wildly at variance with what is known of her actual character. In English she is also known as Saint Constance.[1]


In 335, Constantina married her cousin Hannibalianus, son of Flavius Dalmatius, whom Constantine had created "King of Kings and Ruler of the Pontic Tribes". Hannibalianus was murdered in 337, after the death of Constantine.[2]

For the second time, during the reign of her middle brother Constantius II, Constantina was married to Hannibalianus' and her own first cousin Gallus, who had been created a Caesar of the East and renamed Constantius around 349/350, which also presumably was the time of their marriage. Gallus was twenty-five or twenty-six at the time, whereas Constantina was substantially his senior.


Her second marriage produced a daughter (Anastasia), whose name and fate are unknown.[5]

Constantina, however, never reached Milan. She died in Caeni Gallicani, Bithynia. Her body was buried near Via Nomentana in Rome, in a mausoleum that later became the church of Santa Costanza, when Constantia was venerated as saint. Her magnificent porphyry sarcophagus is on exhibit in the Vatican Museums.


Constantia Princess of the East and West

  • Father Constantine I the Great Emperor of Rome
  • Mother Flavia Maxima Fausta Princess of the West
  • Marriage - Hannibalianus King of Pontus and Armenia
  • Children -

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Flavia Constantia Augusta's Timeline

Naissus - Modern Nish, Moesia Superior - Serbia
Age 33
Rome, Roma, Italy
Age 35
Ravenna, Emilia-Romagna, Italy