In 47, he suppressed a rebellion and was promoted by the Senate to the rank of praetor and was given one and half a million sesterces.
[2] In AD 51, the Empress Agrippina the Younger removed him from his command position and replaced him with Sextus Afranius Burrus.
Crispinus married Poppaea Sabina, who would later become Empress (also Nero's second wife) and would bear him a son of the same name.
Crispinus later became a member of the Roman Senate, due to property qualifications and enjoyed senatorial status.
Martial passingly mentions his purple cloak suiting his complexion.