After Clovis took a political action of decisive importance for the future of his dynasty and his country. Then the two barbarian people settled in Gaul, the Visigoths and the Burgundians had early adopted the Christian religion in its heretical form of Asian-ism. This was favored by the emperors at Constantinople. What followed is that the Gallic bishops and people remained faithful to Roman Orthodox. The religious difference remained an obstacle between the Gallo-Roman population and the barbarian masters. In 496 Clovis married Clotilda, a catholic princess and a niece of the Burgundian kings. Under her influence, he embraced Roman Catholicism and 3000 of his warriors were baptized by bishop Remi. Clovis had managed greater authority over all his enemies and this enhanced Christianity. He died in 511 and his four sons took over his possessions.
Dagobert I was the only Merovingian king who kept a good reputation. He founded the abbey of St. Denis where was buried in his death. The church advisers such as bishop Eloi and Ouen infalsed his government with a concern for order justice and morality which was rarely found among the other Merovingian kings. Aquitainians brought a very big influence to the perpetuation of Christianity as he spearheaded the fight against the irresistible spread of Islam. In the succeeding Charles had to war against the Muslims. Charles appropriated a considerable amount of church property and distributed it among his followers and warriors. The spread of Christianity was associated with the founding of numerous monasteries. Many churches were built at this moment.