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 Catharina of East Frisia Sabina Catharina of East Frisia Sabina Catharina of East Frisia (11 August 1582, Esens – 31 May 1618) was a Countess of Rietberg in what is now Germany. Sabina Catharina was the eldest child of Count Enno III of East Frisia and his first wife, Countess Walburgis of Rietberg. In the Treaty of Berum of 28 January, the lands her father had inherited from her mother were divided between Sabina Catherine and her sister Agnes, because their father wanted to marry again. Sabina Catherine was awarded the County of Rietberg. On 3 March 1601, Sabina married her uncle, John III,