This advice prevailed, backed up as it was by Agrippina's charms. On the pretext of her relationship, she paid frequent visits to her uncle, and so won his heart, that she was preferred to the others, and, though not yet his wife, already possessed a wife's power. For as soon as she was sure of her marriage, she began to aim at greater things, and planned an alliance between Domitius, her son by Cneius Ænobarbus, and Octavia, the emperor's daughter. This could not be accomplished without a crime, for the emperor had betrothed Octavia to Lucius Silanus, a young man otherwise famous, whom he had brought forward as a candidate for popular favour by the honour of triumphal distinctions and by a magnificent gladiatorial show. But no difficulty seemed to be presented by the temper of a sovereign who had neither partialities nor dislikes, but such as were suggested and dictated to him.