James Wood, The Nuttall Encyclopædia — T
“ Tarquinius, name of an illustrious Roman family of Etruscan origin, two of whose members, according to legend, reigned as king in Rome: Lucius Tarquinius Superbus, fifth king of Rome; the friend and successor of Ancus Martius; said to have reigned from 616 to 578 B.C., and to have greatly extended the power and fame of Rome; was murdered by the sons of Ancus Martius. Lucius Tarquinius Superbus, seventh and last king of Rome (534-510) , usurped the throne after murdering his father-in-law, King Servius Tullius ”
