Who are Charlemagne's descendents?

Charlemagne's descendants include many European royal families, as he had numerous children and grandchildren. His most notable line is through his son Louis the Pious, leading to the Carolingian Empire's division and subsequent dynasties in France, Germany, and beyond. Many modern monarchs and aristocrats can trace their lineage back to him, including the current royal families of Belgium, Denmark, and Spain. His legacy also extends to various noble houses across Europe, emphasizing his significant impact on European history.