Early reign
Pope Adrian I crowns Louis as King of Aquitaine. Miniature from the "Big French Chronicles" (a copy of Charles of Anjou, ca. 1460)
To secure the borders of the kingdom after the defeat of the Basques in Ronsevale in 778 by Charlemagne revived the kingdom of Aquitaine. His king he named his newborn son, Louis. In 781, Louis was crowned in Rome as the king of Aquitaine Pope Adrian I. Control of the kingdom in the juvenile king had been appointed Regent.
Places of Louis of Aquitaine were mostly men of the clergy: the monk Benedict Aniansky, became in time the chief adviser on ecclesiastical matters to the king and the priest Elizahar, head of the royal office, the royal librarian Ebbon, addressed later archbishop's chair in Reims. It is to them the young king was obliged at an early awakening of religious.
Charles made every effort to arouse interest in the Louis secular affairs, gave him a good education and an excellent apprenticeship in military affairs, made each year to participate in military campaigns against the Saxons, the Avars, the Moors, to Italy to help his brother Pepin. In preparation for the throne, Louis took on his father's embassy.
In 794, Charlemagne's son married the beautiful Ermengarde, daughter of Count Ingramna.