4. The youngest brother of Plato, whose name the philosopher has immortalised in his dialogue " Parmenides." (Plut. de Frat. Amor. p. 484f.)
The father of Plato's wife was likewise called Antiphon. (Plut. de Genio Socrat.）
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.