Eutropia (died 350) was the daughter of Roman emperor Constantius Chlorus and Flavia Maximiana Theodora, and therefore half-sister of Constantine the Great. She was mother of the short-lived imperial pretender Nepotianus, and was probably killed alongside him by the rival usurper Magnentius in 350.
...butchering those who so kindly entertained me at Rome; for instance, your departed Aunt Eutropia, whose disposition answered to her name.
The source also indicates that she was an acquaintance of Athanasius who met her when he previously stayed at Rome.
- J. Eugene Reed: The Lives of the Roman Emperors and Their Associates from Julius Cæsar (B. C. 100) to Agustulus (A. D. 476), Vol. 5, Gebbie & Company, 1884, p. 100
- Pauly-Wissowa, Eutropia 2
- John Holland Smith: Constantine the Great, Scribner, 1971, p. 305
- Translated by M. Atkinson and Archibald Robertson. From Nicene and Post-Nicene Fathers, Second Series, Vol. 4. Edited by Philip Schaff and Henry Wace. (Buffalo, NY: Christian Literature Publishing Co., 1892.)