Perictione was sister of Charmides and niece of Critias, both prominent figures of the Thirty Tyrants, known as the Thirty, the brief oligarchic regime (404–403 BC), which followed on the collapse of Athens at the end of the Peloponnesian War (431–404 BC).
According to some accounts, Ariston tried to force his attentions on Perictione, but failed in his purpose; then the god Apollo appeared to him in a vision, and as a result, Ariston left Perictione unmolested.
Apuleius informs us that Speusippus praised Plato's quickness of mind and modesty as a boy, and the "first fruits of his youth infused with hard work and love of study".
His father contributed all which was necessary to give to his son a good education, and, therefore, Plato must have been instructed in grammar, music, and gymnastics by the most distinguished teachers of his time.
These and other references suggest a considerable amount of family pride and enable us to reconstruct Plato's family tree.
According to Burnet, "the opening scene of the Charmides is a glorification of the whole [family] connection ...
In contrast to his reticence about himself, Plato often introduced his distinguished relatives into his dialogues, or referred to them with some precision.
In addition to Adeimantus and Glaucon in the Republic, Charmides has a dialogue named after him; and Critias speaks in both Charmides and Protagoras.
Plato's dialogues are not only a memorial to Socrates, but also the happier days of his own family." The sources of Diogenes Laërtius account for this by claiming that his wrestling coach, Ariston of Argos, dubbed him "broad" on account of his chest and shoulders, or that Plato derived his name from the breadth of his eloquence, or his wide forehead.
But there is only one inscription of an Aristocles, an early archon of Athens in 605/4 BC.