Kymbelinus, or Cymbeline + 

Caesar, on a second invasion of the island, was more fortunate, and compelled the Britons to pay tribute. Cymbeline, the nephew of the king, was delivered to the Romans as a hostage for the faithful fulfilment of the treaty, and, being carried to Rome by Caesar, he was there brought up in the Roman arts and accomplishments. Being afterwards restored to his country, and placed on the throne, he was attached to the Romans, and continued through all his reign at peace with them. His sons, Guiderius and Arviragus, who made their appearance in Shakespeare’s play of Cymbeline, succeeded their father, and, refusing to pay tribute to the Romans, brought on another invasion. Guiderius was slain, but Arviragus afterward made terms with the Romans, and reigned prosperously many years. + 