See also: Denys

Denys the Young person is a Tyran of the Greek colony of Syracuse to, born in 397. He succeeds in 367 his father Denys the Former, under the supervision of Dion, his maternal uncle and former tutor. This one reproaches him its life dissolue and tries to found a more moderate government on the councils of its friend Plato. By doing this, it causes the anger of Denys, which banishes it in 366.

Dion settles with Athens, but after having had wind of the disrespect of which it made proof towards him and Plato when this last tried to intercede in favor of his/her friend, it takes the head of the opposition and benefits from a voyage of Denys the Young person with Caulonia to seize the power in 357, before being assassinated later three years.

Denys, on its side, becomes the tyrant of Locres, then returns to Syracuse in 346 where it obtains the capacity, but it is always also unpopular near the inhabitants of the city, who quickly force it to be locked up in the citadel. In 343, the Corinthian Timoléon obtains the rendering of Syracuse in exchange of the discrete escape of Denys towards Corinthe.

He still lived a year, teaching according to the legend rhetoric in the poorest misery.