Amulius is in Roman mythology, the younger son of the Proca and fourteenth king of Alba Longa.
He overthrew his older brother Numitor Silvius from the throne and made his daughter Rhea Silvia to Vestal - as a priestess of Vesta, they now had to live in chastity, and so should Numitor can not have offspring. Rhea Silvia gave birth but despite her vow of Mars the twins Romulus and Remus. She was punished with death, but rescued by the river god Tiberinus.
After Numitor Silvius came out that the two children who grew up in the pastoral Faustulus, his grandson, he went with them to the royal palace of Alba Longa and overthrew his brother Amulius from the throne, who was killed.
- Livy Ab urbe condita 1.3
- Ovid Metamorphoses 14, 609-621. Fasti 4 Praefatio
- Dionysius of Halicarnassus Antiquitates Romanae 1.71