Nero to Tacitus, the source of conflict between Nero and his mother was Nero's affair with Poppaea Sabina. In "Histories" Tacitus writes that the affair began while Poppaea was still married to Rufrius Crispinus, but in his later work "Annals" Tacitus says Poppaea was married to Otho when the affair began. In "Annals" Tacitus writes that Agrippina opposed Nero's affair with Poppaea because of her affection for his wife Octavia. Anthony Barrett writes that Tacitus' account in "Annals" "suggests that Poppaea's challenge drove [Nero] over the brink." A number of modern historians have noted that Agrippina's death would not have offered
Sabina of Bavaria Sabina of Bavaria Sabina of Bavaria-Munich (24 April 1492 – 30 August 1564) was Duchess consort of Württemberg by marriage to Ulrich, Duke of Württemberg. Sabina was the daughter of Albert IV, Duke of Bavaria and his wife Kunigunde of Austria, daughter of Frederick III, Holy Roman Emperor and Leonor of Portugal. Sabina was promised at the age of six years for strategic reasons by her uncle, King Maximilian I, to Ulrich of Württemberg to whom she was married 15 years later. This marriage was unhappy because of Ultich's tendency to violence, so that Sabina was ultimately forced to flee