Lucius Junius, a son of Tarquin's sister, in terror after the king had killed his father [and brother] and had also seized their property, feigned stupidity, in the hope that he might possibly survive. For he well understood that every person possessed of his wits,
Zonaras 7, 11.
reported it to their fellow-citizens, to the effect that they should be very powerful and rule a vast multitude. This, then, was another event that inspired them with hope, and they accordingly renamed the mount Capitolium; for capita in the Roman tongue means the "head."
Needing money for the building of the temple, Tarquin waged war upon the inhabitants of Ardea; but from this he not only gained no money, but was actually driven out of the kingdom. Signs also came in his way that indicated his expulsion. Out of his garden vultures drove the young of eagles, and in the men's hall, where he was having a banquet with his friends, a huge serpent appeared and drove him and his companions from the table. In consequence of these portents he sent his sons Titus and Arruns to Delphi. But as Apollo declared that he should be driven from his domain only when a dog should use human speech, he was inspired with confident hope, thinking that the oracle could never be fulfilled.
Now Lucius Junius was a son of Tarquin's sister; his father and brother Tarquin had killed. So he, fearing now for his own person, feigned stupidity,