Marcus Cocceius Nerva, II

https://en.wikipedia.org/wiki/Marcus_Cocceius_Nerva_(jurist)

Marcus Cocceius Nerva (jurist) (before 5 BC-AD 33) was the grandfather of the emperor Nerva and the son of Marcus Cocceius Nerva. A member of the entourage of the emperor Tiberius and a celebrated jurist. In 33 AD, he starved himself to death despite the pleas of Tiberius. His suicide was an act of protest against the Praetorian Guard's tyrannies.