[3] Mucianus, nevertheless, went to fight Aristonicus, who had occupied the kingdom of Pergamum, after it had been left to Rome in the will of Attalus III.
Crassus Mucianus met with defeat against Aristonicus, and while retreating, he was overtaken by the enemy and stabbed to death.
His paternal grandfather, Quintus Mucius Scaevola, had been praetor in 215 BC, but had fallen ill and died before he could stand for election to the consulship.
His younger daughter, Licinia, was wife of Gaius Sempronius Gracchus, the would-be reformer who died in 121 BC.
A cousin was Quintus Mucius Scaevola Augur, consul in 117 BC, and friend, patron and tutor of Cicero.