Crassus's great-granddaughter was Caecilia Pilea, cousin and wife of Titus Pomponius Atticus and mother by him of Caecilia Attica, first wife of Marcus Vipsanius Agrippa ( Augustus's second-in-command and eventual son-in-law ); through their daughter Vipsania ( first wife of Tiberius ), several descendants, including Julius Caesar Drusus ( only surviving son of Tiberius ), survived into the first century AD . Vipsania had several other descendants by her second husband as well.
