Quintus Mucius Scaevola
A cousin was Quintus Mucius Scaevola Augur, consul in 117 BC, and friend, patron and tutor of Cicero. Crassus Mucianus's nephew was the rhetorician and jurist Quintus Mucius Scaevola Pontifex, son of Publius Mucius Scaevola. Both relatives died or were killed during the Social War.