He was the son of Demaratus, a Corinthian, who, flying his country for sedition, had happened to settle at Tarquinii, and having married a wife there, had two sons by her.

Their names were [48]Lucumo and Aruns.

Lucumo survived his father, and became heir to all his property.

Aruns died before his father, leaving a wife pregnant.

The father did not long survive the son, and as he, not knowing that his daughter-in-law was pregnant, died without taking any notice of his grandchild in his will, to the boy that was born after the death of his grandfather, without having any share in his fortune, the name of Egerius was given on account of his poverty.
And when his wealth already inspired Lucumo, on the other hand, the heir of all his father's wealth, with elevated notions, Tanaquil, whom he married, further increased such feeling, she being descended from a very high family, and one who would not readily brook the condition into which she had married to be inferior to that in which she had been born.
As the Etrurians despised Lucumo, because sprung from a foreign exile, she could not bear the affront, and regardless of the innate love of her native country, provided she might see her husband advanced to honours, she formed the determination to leave Tarquinii.