sentences:  Drusus had several distinguished descendants.Through his adopted son, he became an ancestor of the Julio-Claudian dynasty; and through the two marriages of his sister, Livia, he was uncle to Cato the Younger and great-uncle to Marcus Junius Brutus.His brother, Mamercus Aemilius Lepidus Livianus (who was adopted into the Aemilii Lepidi), also served as consul in 77 BC.