Vitae philosophorum

Aristotle, son of Nicomachus and Phaestis, was a native of Stagira. His father, Nicomachus, as Hermippus relates in his book On Aristotle, traced his descent from Nicomachus who was the son of Machaon and grandson of Asclepius; and he resided with Amyntas, the king of Macedon, in the capacity of physician and friend. Aristotle was Plato’s most genuine disciple; he spoke with a lisp, as we learn from Timotheus the Athenian in his book On Lives; further, his calves were slender (so they say), his eyes small, and he was conspicuous by his attire, his rings, and the cut of his hair. According to Timaeus, he had a son by Herpyllis, his concubine, who was also called Nicomachus.