Ab urbe condita
Titus Livius (Livy)
Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.
Adding crime to crime, he murdered his brother's sons and made the daughter, Rea Silvia, a Vestal virgin; thus, under the pretence of honouring her, depriving her of all hopes of issue.
But[*](THE STORY OF ROMULUS. Birth and Uprearing.) the Fates had, I believe, already decreed the origin of this great city and the foundation of the mightiest empire under heaven.
The Vestal was forcibly violated and gave birth to twins. She named Mars as their father, either because she really believed it, or because the fault might appear less heinous if a deity were the cause of it.
But neither gods nor men sheltered her or her babes from the king's cruelty; the priestess was thrown into prison, the boys were ordered to be thrown into the river.