One of the oldest universities in Europe is called Charles University.
Charles V, Holy Roman Emperor (15001558) gives rise to a tradition of Charlses in Habsburg Spain (Charles VI, Holy Roman Emperor, Charles II of Spain, Charles III of Spain, Charles IV of Spain)
 The Chronicle of Fredegar names an earlier Carloman as the father of Pepin of Landen, and thus the great-great-grandfather of the Charles Martel

