Gordian III - was Roman emperor from 238 to 244. At the age of 13, he became the youngest ever sole Roman emperor. Gordian was the son of Antonia Gordiana and Junius Balbus, who died before 238. Antonia Gordiana was the daughter of Emperor Gordian I and younger sister of Emperor Gordian II. Very little is known of his early life before his acclamation. Gordian had assumed the name of his maternal grandfather in 238.