Answer: Ruled over a kingdom including most of modern-day France, the Low Countries, and western Germany.
Step-by-step explanation:
The Merovingian was the largest and most powerful kingdom of western Europe after the collapse of the Western Roman Empire.
The Merovingian dynasty was the royal family of the Franks since the 5th century and up to 751. They managed to unite under their rule all the Franks, the northern Gaulish Romans, he Visigoths, the Burgundians, Raetia, the Alemanni, Bavarii and Saxons.