Final answer:
The Carolingians derived their family name from the frequent use of the name for their male children.
Step-by-step explanation:
The subject of this question is History. The ruling family that overthrew the Merovingians and derived their family name from the frequent use of the name for their male children were called the Carolingians. The correct answer choice is c. Charles.
Learn more about Carolingians and their family name