Like his father-in-law, Thrasea Paetus, whose daughter Fannia he had taken as his second wife, he was distinguished for his ardent and courageous republicanism.
Having been recalled to Rome by Galba in 68, he at once impeached Eprius Marcellus, the accuser of Thrasea Paetus, but dropped the charge, as the condemnation of Marcellus would have involved a number of senators.