This region was a significant frontier zone during the Reconquista, with its control frequently contested between Christian and Muslim forces.
[2][3] Flávio's tenure was characterized by the challenges of maintaining control over Coimbra amid the broader conflicts between Christian and Muslim forces.
[4][5] Born around 768, he was the son of Flávio Teodósio and brother of Teodorico, the previous count of Coimbra.
[1][6] In 815, following the death of Abbot Eugénio of Lorvão, a last protector of the Christians who still had some credibility with the Islamic authorities, Flávio abandoned Coimbra.
[2][7] He went into the service of Alfonso II of Asturias, having been governor of Braga, Porto and Tui.