They emerged victorious .
Belgica Secunda became in the 5th century the center of Clovis ' Merovingian kingdom and during the 8th century the heart of the Carolingian Empire .
They emerged victorious and Belgica Secunda became in the 5th century the center of Clovis ' Merovingian kingdom and during the 8th century the heart of the Carolingian Empire .